40542125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 55517280

約数和(自身を除く): 14975155

約数列:

[1, 5, 13, 25, 61, 65, 125, 305, 325, 409, 793, 1525, 1625, 2045, 3965, 5317, 7625, 10225, 19825, 24949, 26585, 51125, 99125, 124745, 132925, 324337, 623725, 664625, 1621685, 3118625, 8108425, 40542125]

約数ペア:

[(1, 40542125), (5, 8108425), (13, 3118625), (25, 1621685), (61, 664625), (65, 623725), (125, 324337), (305, 132925), (325, 124745), (409, 99125), (793, 51125), (1525, 26585), (1625, 24949), (2045, 19825), (3965, 10225), (5317, 7625)]