20080553480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38616449}}^1$

素因数の和:38616473

約数の個数: 32

約数和(自身を含む): 48656727000

約数和(自身を除く): 28576173520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38616449, 77232898, 154465796, 193082245, 308931592, 386164490, 502013837, 772328980, 1004027674, 1544657960, 2008055348, 2510069185, 4016110696, 5020138370, 10040276740, 20080553480]

約数ペア:

[(1, 20080553480), (2, 10040276740), (4, 5020138370), (5, 4016110696), (8, 2510069185), (10, 2008055348), (13, 1544657960), (20, 1004027674), (26, 772328980), (40, 502013837), (52, 386164490), (65, 308931592), (104, 193082245), (130, 154465796), (260, 77232898), (520, 38616449)]