13987640

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1451}}^1$

素因数の和:1703

約数の個数: 32

約数和(自身を含む): 31624560

約数和(自身を除く): 17636920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1451, 1928, 2410, 2902, 4820, 5804, 7255, 9640, 11608, 14510, 29020, 58040, 349691, 699382, 1398764, 1748455, 2797528, 3496910, 6993820, 13987640]

約数ペア:

[(1, 13987640), (2, 6993820), (4, 3496910), (5, 2797528), (8, 1748455), (10, 1398764), (20, 699382), (40, 349691), (241, 58040), (482, 29020), (964, 14510), (1205, 11608), (1451, 9640), (1928, 7255), (2410, 5804), (2902, 4820)]