78690625

素因数分解:

$5^5\times {\mathrm{13}}^2\times {\mathrm{149}}^1$

素因数の和:200

約数の個数: 36

約数和(自身を含む): 107219700

約数和(自身を除く): 28529075

約数列:

[1, 5, 13, 25, 65, 125, 149, 169, 325, 625, 745, 845, 1625, 1937, 3125, 3725, 4225, 8125, 9685, 18625, 21125, 25181, 40625, 48425, 93125, 105625, 125905, 242125, 465625, 528125, 629525, 1210625, 3147625, 6053125, 15738125, 78690625]

約数ペア:

[(1, 78690625), (5, 15738125), (13, 6053125), (25, 3147625), (65, 1210625), (125, 629525), (149, 528125), (169, 465625), (325, 242125), (625, 125905), (745, 105625), (845, 93125), (1625, 48425), (1937, 40625), (3125, 25181), (3725, 21125), (4225, 18625), (8125, 9685)]