13555160

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{971}}^1$

素因数の和:1331

約数の個数: 32

約数和(自身を含む): 30618000

約数和(自身を除く): 17062840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 971, 1396, 1745, 1942, 2792, 3490, 3884, 4855, 6980, 7768, 9710, 13960, 19420, 38840, 338879, 677758, 1355516, 1694395, 2711032, 3388790, 6777580, 13555160]

約数ペア:

[(1, 13555160), (2, 6777580), (4, 3388790), (5, 2711032), (8, 1694395), (10, 1355516), (20, 677758), (40, 338879), (349, 38840), (698, 19420), (971, 13960), (1396, 9710), (1745, 7768), (1942, 6980), (2792, 4855), (3490, 3884)]