16970720

素因数分解:

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

素因数の和:268

約数の個数: 96

約数和(自身を含む): 44452800

約数和(自身を除く): 27482080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 65, 80, 82, 104, 130, 160, 164, 199, 205, 208, 260, 328, 398, 410, 416, 520, 533, 656, 796, 820, 995, 1040, 1066, 1312, 1592, 1640, 1990, 2080, 2132, 2587, 2665, 3184, 3280, 3980, 4264, 5174, 5330, 6368, 6560, 7960, 8159, 8528, 10348, 10660, 12935, 15920, 16318, 17056, 20696, 21320, 25870, 31840, 32636, 40795, 41392, 42640, 51740, 65272, 81590, 82784, 85280, 103480, 106067, 130544, 163180, 206960, 212134, 261088, 326360, 413920, 424268, 530335, 652720, 848536, 1060670, 1305440, 1697072, 2121340, 3394144, 4242680, 8485360, 16970720]

約数ペア:

[(1, 16970720), (2, 8485360), (4, 4242680), (5, 3394144), (8, 2121340), (10, 1697072), (13, 1305440), (16, 1060670), (20, 848536), (26, 652720), (32, 530335), (40, 424268), (41, 413920), (52, 326360), (65, 261088), (80, 212134), (82, 206960), (104, 163180), (130, 130544), (160, 106067), (164, 103480), (199, 85280), (205, 82784), (208, 81590), (260, 65272), (328, 51740), (398, 42640), (410, 41392), (416, 40795), (520, 32636), (533, 31840), (656, 25870), (796, 21320), (820, 20696), (995, 17056), (1040, 16318), (1066, 15920), (1312, 12935), (1592, 10660), (1640, 10348), (1990, 8528), (2080, 8159), (2132, 7960), (2587, 6560), (2665, 6368), (3184, 5330), (3280, 5174), (3980, 4264)]