31916420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{26161}}^1$

素因数の和:26231

約数の個数: 24

約数和(自身を含む): 68125848

約数和(自身を除く): 36209428

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 26161, 52322, 104644, 130805, 261610, 523220, 1595821, 3191642, 6383284, 7979105, 15958210, 31916420]

約数ペア:

[(1, 31916420), (2, 15958210), (4, 7979105), (5, 6383284), (10, 3191642), (20, 1595821), (61, 523220), (122, 261610), (244, 130805), (305, 104644), (610, 52322), (1220, 26161)]