15738125

素因数分解:

$5^4\times {\mathrm{13}}^2\times {\mathrm{149}}^1$

素因数の和:195

約数の個数: 30

約数和(自身を含む): 21438450

約数和(自身を除く): 5700325

約数列:

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

約数ペア:

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