68198260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{20177}}^1$

素因数の和:20212

約数の個数: 36

約数和(自身を含む): 155088108

約数和(自身を除く): 86889848

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 20177, 40354, 80708, 100885, 201770, 262301, 403540, 524602, 1049204, 1311505, 2623010, 3409913, 5246020, 6819826, 13639652, 17049565, 34099130, 68198260]

約数ペア:

[(1, 68198260), (2, 34099130), (4, 17049565), (5, 13639652), (10, 6819826), (13, 5246020), (20, 3409913), (26, 2623010), (52, 1311505), (65, 1049204), (130, 524602), (169, 403540), (260, 262301), (338, 201770), (676, 100885), (845, 80708), (1690, 40354), (3380, 20177)]