21997735360

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{680623}}^1$

素因数の和:680741

約数の個数: 56

約数和(自身を含む): 52900819776

約数和(自身を除く): 30903084416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 160, 202, 320, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 6464, 8080, 16160, 32320, 680623, 1361246, 2722492, 3403115, 5444984, 6806230, 10889968, 13612460, 21779936, 27224920, 43559872, 54449840, 68742923, 108899680, 137485846, 217799360, 274971692, 343714615, 549943384, 687429230, 1099886768, 1374858460, 2199773536, 2749716920, 4399547072, 5499433840, 10998867680, 21997735360]

約数ペア:

[(1, 21997735360), (2, 10998867680), (4, 5499433840), (5, 4399547072), (8, 2749716920), (10, 2199773536), (16, 1374858460), (20, 1099886768), (32, 687429230), (40, 549943384), (64, 343714615), (80, 274971692), (101, 217799360), (160, 137485846), (202, 108899680), (320, 68742923), (404, 54449840), (505, 43559872), (808, 27224920), (1010, 21779936), (1616, 13612460), (2020, 10889968), (3232, 6806230), (4040, 5444984), (6464, 3403115), (8080, 2722492), (16160, 1361246), (32320, 680623)]