15662639540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{71317}}^1$

素因数の和:71544

約数の個数: 48

約数和(自身を含む): 33547987200

約数和(自身を除く): 17885347660

約数列:

[1, 2, 4, 5, 10, 20, 79, 139, 158, 278, 316, 395, 556, 695, 790, 1390, 1580, 2780, 10981, 21962, 43924, 54905, 71317, 109810, 142634, 219620, 285268, 356585, 713170, 1426340, 5634043, 9913063, 11268086, 19826126, 22536172, 28170215, 39652252, 49565315, 56340430, 99130630, 112680860, 198261260, 783131977, 1566263954, 3132527908, 3915659885, 7831319770, 15662639540]

約数ペア:

[(1, 15662639540), (2, 7831319770), (4, 3915659885), (5, 3132527908), (10, 1566263954), (20, 783131977), (79, 198261260), (139, 112680860), (158, 99130630), (278, 56340430), (316, 49565315), (395, 39652252), (556, 28170215), (695, 22536172), (790, 19826126), (1390, 11268086), (1580, 9913063), (2780, 5634043), (10981, 1426340), (21962, 713170), (43924, 356585), (54905, 285268), (71317, 219620), (109810, 142634)]