69864820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{85201}}^1$

素因数の和:85251

約数の個数: 24

約数和(自身を含む): 150296328

約数和(自身を除く): 80431508

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 85201, 170402, 340804, 426005, 852010, 1704020, 3493241, 6986482, 13972964, 17466205, 34932410, 69864820]

約数ペア:

[(1, 69864820), (2, 34932410), (4, 17466205), (5, 13972964), (10, 6986482), (20, 3493241), (41, 1704020), (82, 852010), (164, 426005), (205, 340804), (410, 170402), (820, 85201)]