81350750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{25031}}^1$

素因数の和:25061

約数の個数: 32

約数和(自身を含む): 164009664

約数和(自身を除く): 82658914

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 25031, 50062, 125155, 250310, 325403, 625775, 650806, 1251550, 1627015, 3128875, 3254030, 6257750, 8135075, 16270150, 40675375, 81350750]

約数ペア:

[(1, 81350750), (2, 40675375), (5, 16270150), (10, 8135075), (13, 6257750), (25, 3254030), (26, 3128875), (50, 1627015), (65, 1251550), (125, 650806), (130, 625775), (250, 325403), (325, 250310), (650, 125155), (1625, 50062), (3250, 25031)]