68539480

素因数分解:

$2^3\times 5^1\times {\mathrm{677}}^1\times {\mathrm{2531}}^1$

素因数の和:3219

約数の個数: 32

約数和(自身を含む): 154502640

約数和(自身を除く): 85963160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 677, 1354, 2531, 2708, 3385, 5062, 5416, 6770, 10124, 12655, 13540, 20248, 25310, 27080, 50620, 101240, 1713487, 3426974, 6853948, 8567435, 13707896, 17134870, 34269740, 68539480]

約数ペア:

[(1, 68539480), (2, 34269740), (4, 17134870), (5, 13707896), (8, 8567435), (10, 6853948), (20, 3426974), (40, 1713487), (677, 101240), (1354, 50620), (2531, 27080), (2708, 25310), (3385, 20248), (5062, 13540), (5416, 12655), (6770, 10124)]