15922040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9257}}^1$

素因数の和:9311

約数の個数: 32

約数和(自身を含む): 36661680

約数和(自身を除く): 20739640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 9257, 18514, 37028, 46285, 74056, 92570, 185140, 370280, 398051, 796102, 1592204, 1990255, 3184408, 3980510, 7961020, 15922040]

約数ペア:

[(1, 15922040), (2, 7961020), (4, 3980510), (5, 3184408), (8, 1990255), (10, 1592204), (20, 796102), (40, 398051), (43, 370280), (86, 185140), (172, 92570), (215, 74056), (344, 46285), (430, 37028), (860, 18514), (1720, 9257)]