27979250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{8609}}^1$

素因数の和:8639

約数の個数: 32

約数和(自身を含む): 56412720

約数和(自身を除く): 28433470

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 8609, 17218, 43045, 86090, 111917, 215225, 223834, 430450, 559585, 1076125, 1119170, 2152250, 2797925, 5595850, 13989625, 27979250]

約数ペア:

[(1, 27979250), (2, 13989625), (5, 5595850), (10, 2797925), (13, 2152250), (25, 1119170), (26, 1076125), (50, 559585), (65, 430450), (125, 223834), (130, 215225), (250, 111917), (325, 86090), (650, 43045), (1625, 17218), (3250, 8609)]