64358680

素因数分解:

$2^3\times 5^1\times {\mathrm{587}}^1\times {\mathrm{2741}}^1$

素因数の和:3339

約数の個数: 32

約数和(自身を含む): 145106640

約数和(自身を除く): 80747960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 587, 1174, 2348, 2741, 2935, 4696, 5482, 5870, 10964, 11740, 13705, 21928, 23480, 27410, 54820, 109640, 1608967, 3217934, 6435868, 8044835, 12871736, 16089670, 32179340, 64358680]

約数ペア:

[(1, 64358680), (2, 32179340), (4, 16089670), (5, 12871736), (8, 8044835), (10, 6435868), (20, 3217934), (40, 1608967), (587, 109640), (1174, 54820), (2348, 27410), (2741, 23480), (2935, 21928), (4696, 13705), (5482, 11740), (5870, 10964)]