49463440

素因数分解:

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

素因数の和:464

約数の個数: 80

約数和(自身を含む): 124992000

約数和(自身を除く): 75528560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 199, 208, 239, 260, 398, 478, 520, 796, 956, 995, 1040, 1195, 1592, 1912, 1990, 2390, 2587, 3107, 3184, 3824, 3980, 4780, 5174, 6214, 7960, 9560, 10348, 12428, 12935, 15535, 15920, 19120, 20696, 24856, 25870, 31070, 41392, 47561, 49712, 51740, 62140, 95122, 103480, 124280, 190244, 206960, 237805, 248560, 380488, 475610, 618293, 760976, 951220, 1236586, 1902440, 2473172, 3091465, 3804880, 4946344, 6182930, 9892688, 12365860, 24731720, 49463440]

約数ペア:

[(1, 49463440), (2, 24731720), (4, 12365860), (5, 9892688), (8, 6182930), (10, 4946344), (13, 3804880), (16, 3091465), (20, 2473172), (26, 1902440), (40, 1236586), (52, 951220), (65, 760976), (80, 618293), (104, 475610), (130, 380488), (199, 248560), (208, 237805), (239, 206960), (260, 190244), (398, 124280), (478, 103480), (520, 95122), (796, 62140), (956, 51740), (995, 49712), (1040, 47561), (1195, 41392), (1592, 31070), (1912, 25870), (1990, 24856), (2390, 20696), (2587, 19120), (3107, 15920), (3184, 15535), (3824, 12935), (3980, 12428), (4780, 10348), (5174, 9560), (6214, 7960)]