80461960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{105871}}^1$

素因数の和:105901

約数の個数: 32

約数和(自身を含む): 190569600

約数和(自身を除く): 110107640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 105871, 211742, 423484, 529355, 846968, 1058710, 2011549, 2117420, 4023098, 4234840, 8046196, 10057745, 16092392, 20115490, 40230980, 80461960]

約数ペア:

[(1, 80461960), (2, 40230980), (4, 20115490), (5, 16092392), (8, 10057745), (10, 8046196), (19, 4234840), (20, 4023098), (38, 2117420), (40, 2011549), (76, 1058710), (95, 846968), (152, 529355), (190, 423484), (380, 211742), (760, 105871)]