15706840

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1861}}^1$

素因数の和:2083

約数の個数: 32

約数和(自身を含む): 35526960

約数和(自身を除く): 19820120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 1861, 2110, 3722, 4220, 7444, 8440, 9305, 14888, 18610, 37220, 74440, 392671, 785342, 1570684, 1963355, 3141368, 3926710, 7853420, 15706840]

約数ペア:

[(1, 15706840), (2, 7853420), (4, 3926710), (5, 3141368), (8, 1963355), (10, 1570684), (20, 785342), (40, 392671), (211, 74440), (422, 37220), (844, 18610), (1055, 14888), (1688, 9305), (1861, 8440), (2110, 7444), (3722, 4220)]