25171640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48407}}^1$

素因数の和:48431

約数の個数: 32

約数和(自身を含む): 60994080

約数和(自身を除く): 35822440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 48407, 96814, 193628, 242035, 387256, 484070, 629291, 968140, 1258582, 1936280, 2517164, 3146455, 5034328, 6292910, 12585820, 25171640]

約数ペア:

[(1, 25171640), (2, 12585820), (4, 6292910), (5, 5034328), (8, 3146455), (10, 2517164), (13, 1936280), (20, 1258582), (26, 968140), (40, 629291), (52, 484070), (65, 387256), (104, 242035), (130, 193628), (260, 96814), (520, 48407)]