40622920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78121}}^1$

素因数の和:78145

約数の個数: 32

約数和(自身を含む): 98433720

約数和(自身を除く): 57810800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 78121, 156242, 312484, 390605, 624968, 781210, 1015573, 1562420, 2031146, 3124840, 4062292, 5077865, 8124584, 10155730, 20311460, 40622920]

約数ペア:

[(1, 40622920), (2, 20311460), (4, 10155730), (5, 8124584), (8, 5077865), (10, 4062292), (13, 3124840), (20, 2031146), (26, 1562420), (40, 1015573), (52, 781210), (65, 624968), (104, 390605), (130, 312484), (260, 156242), (520, 78121)]