13558760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7883}}^1$

素因数の和:7937

約数の個数: 32

約数和(自身を含む): 31220640

約数和(自身を除く): 17661880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 7883, 15766, 31532, 39415, 63064, 78830, 157660, 315320, 338969, 677938, 1355876, 1694845, 2711752, 3389690, 6779380, 13558760]

約数ペア:

[(1, 13558760), (2, 6779380), (4, 3389690), (5, 2711752), (8, 1694845), (10, 1355876), (20, 677938), (40, 338969), (43, 315320), (86, 157660), (172, 78830), (215, 63064), (344, 39415), (430, 31532), (860, 15766), (1720, 7883)]