25912280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20897}}^1$

素因数の和:20939

約数の個数: 32

約数和(自身を含む): 60186240

約数和(自身を除く): 34273960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 20897, 41794, 83588, 104485, 167176, 208970, 417940, 647807, 835880, 1295614, 2591228, 3239035, 5182456, 6478070, 12956140, 25912280]

約数ペア:

[(1, 25912280), (2, 12956140), (4, 6478070), (5, 5182456), (8, 3239035), (10, 2591228), (20, 1295614), (31, 835880), (40, 647807), (62, 417940), (124, 208970), (155, 167176), (248, 104485), (310, 83588), (620, 41794), (1240, 20897)]