206565125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{401}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 279193824

約数和(自身を除く): 72628699

約数列:

[1, 5, 13, 25, 65, 125, 317, 325, 401, 1585, 1625, 2005, 4121, 5213, 7925, 10025, 20605, 26065, 39625, 50125, 103025, 127117, 130325, 515125, 635585, 651625, 1652521, 3177925, 8262605, 15889625, 41313025, 206565125]

約数ペア:

[(1, 206565125), (5, 41313025), (13, 15889625), (25, 8262605), (65, 3177925), (125, 1652521), (317, 651625), (325, 635585), (401, 515125), (1585, 130325), (1625, 127117), (2005, 103025), (4121, 50125), (5213, 39625), (7925, 26065), (10025, 20605)]