8901640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20231}}^1$

素因数の和:20253

約数の個数: 32

約数和(自身を含む): 21850560

約数和(自身を除く): 12948920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 20231, 40462, 80924, 101155, 161848, 202310, 222541, 404620, 445082, 809240, 890164, 1112705, 1780328, 2225410, 4450820, 8901640]

約数ペア:

[(1, 8901640), (2, 4450820), (4, 2225410), (5, 1780328), (8, 1112705), (10, 890164), (11, 809240), (20, 445082), (22, 404620), (40, 222541), (44, 202310), (55, 161848), (88, 101155), (110, 80924), (220, 40462), (440, 20231)]