40427920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38873}}^1$

素因数の和:38899

約数の個数: 40

約数和(自身を含む): 101227896

約数和(自身を除く): 60799976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 38873, 77746, 155492, 194365, 310984, 388730, 505349, 621968, 777460, 1010698, 1554920, 2021396, 2526745, 3109840, 4042792, 5053490, 8085584, 10106980, 20213960, 40427920]

約数ペア:

[(1, 40427920), (2, 20213960), (4, 10106980), (5, 8085584), (8, 5053490), (10, 4042792), (13, 3109840), (16, 2526745), (20, 2021396), (26, 1554920), (40, 1010698), (52, 777460), (65, 621968), (80, 505349), (104, 388730), (130, 310984), (208, 194365), (260, 155492), (520, 77746), (1040, 38873)]