90210725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{2903}}^1$

素因数の和:3037

約数の個数: 24

約数和(自身を含む): 123152832

約数和(自身を除く): 32942107

約数列:

[1, 5, 11, 25, 55, 113, 275, 565, 1243, 2825, 2903, 6215, 14515, 31075, 31933, 72575, 159665, 328039, 798325, 1640195, 3608429, 8200975, 18042145, 90210725]

約数ペア:

[(1, 90210725), (5, 18042145), (11, 8200975), (25, 3608429), (55, 1640195), (113, 798325), (275, 328039), (565, 159665), (1243, 72575), (2825, 31933), (2903, 31075), (6215, 14515)]