15656140

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2243}}^1$

素因数の和:2601

約数の個数: 24

約数和(自身を含む): 32986800

約数和(自身を除く): 17330660

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 2243, 3490, 4486, 6980, 8972, 11215, 22430, 44860, 782807, 1565614, 3131228, 3914035, 7828070, 15656140]

約数ペア:

[(1, 15656140), (2, 7828070), (4, 3914035), (5, 3131228), (10, 1565614), (20, 782807), (349, 44860), (698, 22430), (1396, 11215), (1745, 8972), (2243, 6980), (3490, 4486)]