90626680

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{14431}}^1$

素因数の和:14599

約数の個数: 32

約数和(自身を含む): 205223040

約数和(自身を除く): 114596360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 14431, 28862, 57724, 72155, 115448, 144310, 288620, 577240, 2265667, 4531334, 9062668, 11328335, 18125336, 22656670, 45313340, 90626680]

約数ペア:

[(1, 90626680), (2, 45313340), (4, 22656670), (5, 18125336), (8, 11328335), (10, 9062668), (20, 4531334), (40, 2265667), (157, 577240), (314, 288620), (628, 144310), (785, 115448), (1256, 72155), (1570, 57724), (3140, 28862), (6280, 14431)]