15440860

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3919}}^1$

素因数の和:4125

約数の個数: 24

約数和(自身を含む): 32598720

約数和(自身を除く): 17157860

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3919, 3940, 7838, 15676, 19595, 39190, 78380, 772043, 1544086, 3088172, 3860215, 7720430, 15440860]

約数ペア:

[(1, 15440860), (2, 7720430), (4, 3860215), (5, 3088172), (10, 1544086), (20, 772043), (197, 78380), (394, 39190), (788, 19595), (985, 15676), (1970, 7838), (3919, 3940)]