54220640

素因数分解:

$2^5\times 5^1\times {\mathrm{349}}^1\times {\mathrm{971}}^1$

素因数の和:1335

約数の個数: 48

約数和(自身を含む): 128595600

約数和(自身を除く): 74374960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 349, 698, 971, 1396, 1745, 1942, 2792, 3490, 3884, 4855, 5584, 6980, 7768, 9710, 11168, 13960, 15536, 19420, 27920, 31072, 38840, 55840, 77680, 155360, 338879, 677758, 1355516, 1694395, 2711032, 3388790, 5422064, 6777580, 10844128, 13555160, 27110320, 54220640]

約数ペア:

[(1, 54220640), (2, 27110320), (4, 13555160), (5, 10844128), (8, 6777580), (10, 5422064), (16, 3388790), (20, 2711032), (32, 1694395), (40, 1355516), (80, 677758), (160, 338879), (349, 155360), (698, 77680), (971, 55840), (1396, 38840), (1745, 31072), (1942, 27920), (2792, 19420), (3490, 15536), (3884, 13960), (4855, 11168), (5584, 9710), (6980, 7768)]