31980008

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{28759}}^1$

素因数の和:28904

約数の個数: 16

約数和(自身を含む): 60396000

約数和(自身を除く): 28415992

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 28759, 57518, 115036, 230072, 3997501, 7995002, 15990004, 31980008]

約数ペア:

[(1, 31980008), (2, 15990004), (4, 7995002), (8, 3997501), (139, 230072), (278, 115036), (556, 57518), (1112, 28759)]