22248220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 48988800

約数和(自身を除く): 26740580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 89, 116, 145, 178, 290, 356, 431, 445, 580, 862, 890, 1724, 1780, 2155, 2581, 4310, 5162, 8620, 10324, 12499, 12905, 24998, 25810, 38359, 49996, 51620, 62495, 76718, 124990, 153436, 191795, 249980, 383590, 767180, 1112411, 2224822, 4449644, 5562055, 11124110, 22248220]

約数ペア:

[(1, 22248220), (2, 11124110), (4, 5562055), (5, 4449644), (10, 2224822), (20, 1112411), (29, 767180), (58, 383590), (89, 249980), (116, 191795), (145, 153436), (178, 124990), (290, 76718), (356, 62495), (431, 51620), (445, 49996), (580, 38359), (862, 25810), (890, 24998), (1724, 12905), (1780, 12499), (2155, 10324), (2581, 8620), (4310, 5162)]