1988360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4519}}^1$

素因数の和:4541

約数の個数: 32

約数和(自身を含む): 4881600

約数和(自身を除く): 2893240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4519, 9038, 18076, 22595, 36152, 45190, 49709, 90380, 99418, 180760, 198836, 248545, 397672, 497090, 994180, 1988360]

約数ペア:

[(1, 1988360), (2, 994180), (4, 497090), (5, 397672), (8, 248545), (10, 198836), (11, 180760), (20, 99418), (22, 90380), (40, 49709), (44, 45190), (55, 36152), (88, 22595), (110, 18076), (220, 9038), (440, 4519)]