91487240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{175937}}^1$

素因数の和:175961

約数の個数: 32

約数和(自身を含む): 221681880

約数和(自身を除く): 130194640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 175937, 351874, 703748, 879685, 1407496, 1759370, 2287181, 3518740, 4574362, 7037480, 9148724, 11435905, 18297448, 22871810, 45743620, 91487240]

約数ペア:

[(1, 91487240), (2, 45743620), (4, 22871810), (5, 18297448), (8, 11435905), (10, 9148724), (13, 7037480), (20, 4574362), (26, 3518740), (40, 2287181), (52, 1759370), (65, 1407496), (104, 879685), (130, 703748), (260, 351874), (520, 175937)]