2028001040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:505

約数の個数: 160

約数和(自身を含む): 5249664000

約数和(自身を除く): 3221662960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 199, 205, 208, 239, 260, 328, 398, 410, 478, 520, 533, 656, 796, 820, 956, 995, 1040, 1066, 1195, 1592, 1640, 1912, 1990, 2132, 2390, 2587, 2665, 3107, 3184, 3280, 3824, 3980, 4264, 4780, 5174, 5330, 6214, 7960, 8159, 8528, 9560, 9799, 10348, 10660, 12428, 12935, 15535, 15920, 16318, 19120, 19598, 20696, 21320, 24856, 25870, 31070, 32636, 39196, 40795, 41392, 42640, 47561, 48995, 49712, 51740, 62140, 65272, 78392, 81590, 95122, 97990, 103480, 106067, 124280, 127387, 130544, 156784, 163180, 190244, 195980, 206960, 212134, 237805, 248560, 254774, 326360, 380488, 391960, 424268, 475610, 509548, 530335, 618293, 636935, 652720, 760976, 783920, 848536, 951220, 1019096, 1060670, 1236586, 1273870, 1697072, 1902440, 1950001, 2038192, 2121340, 2473172, 2547740, 3091465, 3804880, 3900002, 4242680, 4946344, 5095480, 6182930, 7800004, 8485360, 9750005, 9892688, 10190960, 12365860, 15600008, 19500010, 24731720, 25350013, 31200016, 39000020, 49463440, 50700026, 78000040, 101400052, 126750065, 156000080, 202800104, 253500130, 405600208, 507000260, 1014000520, 2028001040]

約数ペア:

[(1, 2028001040), (2, 1014000520), (4, 507000260), (5, 405600208), (8, 253500130), (10, 202800104), (13, 156000080), (16, 126750065), (20, 101400052), (26, 78000040), (40, 50700026), (41, 49463440), (52, 39000020), (65, 31200016), (80, 25350013), (82, 24731720), (104, 19500010), (130, 15600008), (164, 12365860), (199, 10190960), (205, 9892688), (208, 9750005), (239, 8485360), (260, 7800004), (328, 6182930), (398, 5095480), (410, 4946344), (478, 4242680), (520, 3900002), (533, 3804880), (656, 3091465), (796, 2547740), (820, 2473172), (956, 2121340), (995, 2038192), (1040, 1950001), (1066, 1902440), (1195, 1697072), (1592, 1273870), (1640, 1236586), (1912, 1060670), (1990, 1019096), (2132, 951220), (2390, 848536), (2587, 783920), (2665, 760976), (3107, 652720), (3184, 636935), (3280, 618293), (3824, 530335), (3980, 509548), (4264, 475610), (4780, 424268), (5174, 391960), (5330, 380488), (6214, 326360), (7960, 254774), (8159, 248560), (8528, 237805), (9560, 212134), (9799, 206960), (10348, 195980), (10660, 190244), (12428, 163180), (12935, 156784), (15535, 130544), (15920, 127387), (16318, 124280), (19120, 106067), (19598, 103480), (20696, 97990), (21320, 95122), (24856, 81590), (25870, 78392), (31070, 65272), (32636, 62140), (39196, 51740), (40795, 49712), (41392, 48995), (42640, 47561)]