25210040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14657}}^1$

素因数の和:14711

約数の個数: 32

約数和(自身を含む): 58045680

約数和(自身を除く): 32835640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 14657, 29314, 58628, 73285, 117256, 146570, 293140, 586280, 630251, 1260502, 2521004, 3151255, 5042008, 6302510, 12605020, 25210040]

約数ペア:

[(1, 25210040), (2, 12605020), (4, 6302510), (5, 5042008), (8, 3151255), (10, 2521004), (20, 1260502), (40, 630251), (43, 586280), (86, 293140), (172, 146570), (215, 117256), (344, 73285), (430, 58628), (860, 29314), (1720, 14657)]