25988440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10651}}^1$

素因数の和:10723

約数の個数: 32

約数和(自身を含む): 59438160

約数和(自身を除く): 33449720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 10651, 21302, 42604, 53255, 85208, 106510, 213020, 426040, 649711, 1299422, 2598844, 3248555, 5197688, 6497110, 12994220, 25988440]

約数ペア:

[(1, 25988440), (2, 12994220), (4, 6497110), (5, 5197688), (8, 3248555), (10, 2598844), (20, 1299422), (40, 649711), (61, 426040), (122, 213020), (244, 106510), (305, 85208), (488, 53255), (610, 42604), (1220, 21302), (2440, 10651)]