207072125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2089}}^1$

素因数の和:2178

約数の個数: 32

約数和(自身を含む): 283002720

約数和(自身を除く): 75930595

約数列:

[1, 5, 13, 25, 61, 65, 125, 305, 325, 793, 1525, 1625, 2089, 3965, 7625, 10445, 19825, 27157, 52225, 99125, 127429, 135785, 261125, 637145, 678925, 1656577, 3185725, 3394625, 8282885, 15928625, 41414425, 207072125]

約数ペア:

[(1, 207072125), (5, 41414425), (13, 15928625), (25, 8282885), (61, 3394625), (65, 3185725), (125, 1656577), (305, 678925), (325, 637145), (793, 261125), (1525, 135785), (1625, 127429), (2089, 99125), (3965, 52225), (7625, 27157), (10445, 19825)]