85223125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1$

素因数の和:667

約数の個数: 40

約数和(自身を含む): 121629816

約数和(自身を除く): 36406691

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 221, 325, 425, 617, 625, 1105, 1625, 2125, 3085, 5525, 8021, 8125, 10489, 10625, 15425, 27625, 40105, 52445, 77125, 136357, 138125, 200525, 262225, 385625, 681785, 1002625, 1311125, 3408925, 5013125, 6555625, 17044625, 85223125]

約数ペア:

[(1, 85223125), (5, 17044625), (13, 6555625), (17, 5013125), (25, 3408925), (65, 1311125), (85, 1002625), (125, 681785), (221, 385625), (325, 262225), (425, 200525), (617, 138125), (625, 136357), (1105, 77125), (1625, 52445), (2125, 40105), (3085, 27625), (5525, 15425), (8021, 10625), (8125, 10489)]