2018120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3881}}^1$

素因数の和:3905

約数の個数: 32

約数和(自身を含む): 4891320

約数和(自身を除く): 2873200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3881, 7762, 15524, 19405, 31048, 38810, 50453, 77620, 100906, 155240, 201812, 252265, 403624, 504530, 1009060, 2018120]

約数ペア:

[(1, 2018120), (2, 1009060), (4, 504530), (5, 403624), (8, 252265), (10, 201812), (13, 155240), (20, 100906), (26, 77620), (40, 50453), (52, 38810), (65, 31048), (104, 19405), (130, 15524), (260, 7762), (520, 3881)]