72373520

素因数分解:

$2^4\times 5^1\times {\mathrm{431}}^1\times {\mathrm{2099}}^1$

素因数の和:2543

約数の個数: 40

約数和(自身を含む): 168739200

約数和(自身を除く): 96365680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 431, 862, 1724, 2099, 2155, 3448, 4198, 4310, 6896, 8396, 8620, 10495, 16792, 17240, 20990, 33584, 34480, 41980, 83960, 167920, 904669, 1809338, 3618676, 4523345, 7237352, 9046690, 14474704, 18093380, 36186760, 72373520]

約数ペア:

[(1, 72373520), (2, 36186760), (4, 18093380), (5, 14474704), (8, 9046690), (10, 7237352), (16, 4523345), (20, 3618676), (40, 1809338), (80, 904669), (431, 167920), (862, 83960), (1724, 41980), (2099, 34480), (2155, 33584), (3448, 20990), (4198, 17240), (4310, 16792), (6896, 10495), (8396, 8620)]