25038040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14557}}^1$

素因数の和:14611

約数の個数: 32

約数和(自身を含む): 57649680

約数和(自身を除く): 32611640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 14557, 29114, 58228, 72785, 116456, 145570, 291140, 582280, 625951, 1251902, 2503804, 3129755, 5007608, 6259510, 12519020, 25038040]

約数ペア:

[(1, 25038040), (2, 12519020), (4, 6259510), (5, 5007608), (8, 3129755), (10, 2503804), (20, 1251902), (40, 625951), (43, 582280), (86, 291140), (172, 145570), (215, 116456), (344, 72785), (430, 58228), (860, 29114), (1720, 14557)]