80595920

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3637}}^1$

素因数の和:3927

約数の個数: 40

約数和(自身を含む): 188113704

約数和(自身を除く): 107517784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 554, 1108, 1385, 2216, 2770, 3637, 4432, 5540, 7274, 11080, 14548, 18185, 22160, 29096, 36370, 58192, 72740, 145480, 290960, 1007449, 2014898, 4029796, 5037245, 8059592, 10074490, 16119184, 20148980, 40297960, 80595920]

約数ペア:

[(1, 80595920), (2, 40297960), (4, 20148980), (5, 16119184), (8, 10074490), (10, 8059592), (16, 5037245), (20, 4029796), (40, 2014898), (80, 1007449), (277, 290960), (554, 145480), (1108, 72740), (1385, 58192), (2216, 36370), (2770, 29096), (3637, 22160), (4432, 18185), (5540, 14548), (7274, 11080)]