71027840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8537}}^1$

素因数の和:8569

約数の個数: 64

約数和(自身を含む): 182883960

約数和(自身を除く): 111856120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 8537, 17074, 34148, 42685, 68296, 85370, 110981, 136592, 170740, 221962, 273184, 341480, 443924, 546368, 554905, 682960, 887848, 1092736, 1109810, 1365920, 1775696, 2219620, 2731840, 3551392, 4439240, 5463680, 7102784, 8878480, 14205568, 17756960, 35513920, 71027840]

約数ペア:

[(1, 71027840), (2, 35513920), (4, 17756960), (5, 14205568), (8, 8878480), (10, 7102784), (13, 5463680), (16, 4439240), (20, 3551392), (26, 2731840), (32, 2219620), (40, 1775696), (52, 1365920), (64, 1109810), (65, 1092736), (80, 887848), (104, 682960), (128, 554905), (130, 546368), (160, 443924), (208, 341480), (260, 273184), (320, 221962), (416, 170740), (520, 136592), (640, 110981), (832, 85370), (1040, 68296), (1664, 42685), (2080, 34148), (4160, 17074), (8320, 8537)]