53447920

素因数分解:

$2^4\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1861}}^1$

素因数の和:2233

約数の個数: 40

約数和(自身を含む): 124679520

約数和(自身を除く): 71231600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359, 718, 1436, 1795, 1861, 2872, 3590, 3722, 5744, 7180, 7444, 9305, 14360, 14888, 18610, 28720, 29776, 37220, 74440, 148880, 668099, 1336198, 2672396, 3340495, 5344792, 6680990, 10689584, 13361980, 26723960, 53447920]

約数ペア:

[(1, 53447920), (2, 26723960), (4, 13361980), (5, 10689584), (8, 6680990), (10, 5344792), (16, 3340495), (20, 2672396), (40, 1336198), (80, 668099), (359, 148880), (718, 74440), (1436, 37220), (1795, 29776), (1861, 28720), (2872, 18610), (3590, 14888), (3722, 14360), (5744, 9305), (7180, 7444)]