8107840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1949}}^1$

素因数の和:1979

約数の個数: 56

約数和(自身を含む): 20802600

約数和(自身を除く): 12694760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 1949, 2080, 3898, 4160, 7796, 9745, 15592, 19490, 25337, 31184, 38980, 50674, 62368, 77960, 101348, 124736, 126685, 155920, 202696, 253370, 311840, 405392, 506740, 623680, 810784, 1013480, 1621568, 2026960, 4053920, 8107840]

約数ペア:

[(1, 8107840), (2, 4053920), (4, 2026960), (5, 1621568), (8, 1013480), (10, 810784), (13, 623680), (16, 506740), (20, 405392), (26, 311840), (32, 253370), (40, 202696), (52, 155920), (64, 126685), (65, 124736), (80, 101348), (104, 77960), (130, 62368), (160, 50674), (208, 38980), (260, 31184), (320, 25337), (416, 19490), (520, 15592), (832, 9745), (1040, 7796), (1949, 4160), (2080, 3898)]