85805420

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{37967}}^1$

素因数の和:38089

約数の個数: 24

約数和(自身を含む): 181790784

約数和(自身を除く): 95985364

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 37967, 75934, 151868, 189835, 379670, 759340, 4290271, 8580542, 17161084, 21451355, 42902710, 85805420]

約数ペア:

[(1, 85805420), (2, 42902710), (4, 21451355), (5, 17161084), (10, 8580542), (20, 4290271), (113, 759340), (226, 379670), (452, 189835), (565, 151868), (1130, 75934), (2260, 37967)]