5110625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:87

約数の個数: 40

約数和(自身を含む): 7478856

約数和(自身を除く): 2368231

約数列:

[1, 5, 13, 17, 25, 37, 65, 85, 125, 185, 221, 325, 425, 481, 625, 629, 925, 1105, 1625, 2125, 2405, 3145, 4625, 5525, 8125, 8177, 10625, 12025, 15725, 23125, 27625, 40885, 60125, 78625, 138125, 204425, 300625, 393125, 1022125, 5110625]

約数ペア:

[(1, 5110625), (5, 1022125), (13, 393125), (17, 300625), (25, 204425), (37, 138125), (65, 78625), (85, 60125), (125, 40885), (185, 27625), (221, 23125), (325, 15725), (425, 12025), (481, 10625), (625, 8177), (629, 8125), (925, 5525), (1105, 4625), (1625, 3145), (2125, 2405)]