31177765040

素因数分解:

$2^4\times 5^1\times {\mathrm{389722063}}^1$

素因数の和:389722076

約数の個数: 20

約数和(自身を含む): 72488303904

約数和(自身を除く): 41310538864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389722063, 779444126, 1558888252, 1948610315, 3117776504, 3897220630, 6235553008, 7794441260, 15588882520, 31177765040]

約数ペア:

[(1, 31177765040), (2, 15588882520), (4, 7794441260), (5, 6235553008), (8, 3897220630), (10, 3117776504), (16, 1948610315), (20, 1558888252), (40, 779444126), (80, 389722063)]