8071420160

素因数分解:

$2^8\times 5^1\times {\mathrm{557}}^1\times {\mathrm{11321}}^1$

素因数の和:11899

約数の個数: 72

約数和(自身を含む): 19369994616

約数和(自身を除く): 11298574456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 557, 640, 1114, 1280, 2228, 2785, 4456, 5570, 8912, 11140, 11321, 17824, 22280, 22642, 35648, 44560, 45284, 56605, 71296, 89120, 90568, 113210, 142592, 178240, 181136, 226420, 356480, 362272, 452840, 712960, 724544, 905680, 1449088, 1811360, 2898176, 3622720, 6305797, 7245440, 12611594, 14490880, 25223188, 31528985, 50446376, 63057970, 100892752, 126115940, 201785504, 252231880, 403571008, 504463760, 807142016, 1008927520, 1614284032, 2017855040, 4035710080, 8071420160]

約数ペア:

[(1, 8071420160), (2, 4035710080), (4, 2017855040), (5, 1614284032), (8, 1008927520), (10, 807142016), (16, 504463760), (20, 403571008), (32, 252231880), (40, 201785504), (64, 126115940), (80, 100892752), (128, 63057970), (160, 50446376), (256, 31528985), (320, 25223188), (557, 14490880), (640, 12611594), (1114, 7245440), (1280, 6305797), (2228, 3622720), (2785, 2898176), (4456, 1811360), (5570, 1449088), (8912, 905680), (11140, 724544), (11321, 712960), (17824, 452840), (22280, 362272), (22642, 356480), (35648, 226420), (44560, 181136), (45284, 178240), (56605, 142592), (71296, 113210), (89120, 90568)]