90330680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{205297}}^1$

素因数の和:205319

約数の個数: 32

約数和(自身を含む): 221721840

約数和(自身を除く): 131391160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 205297, 410594, 821188, 1026485, 1642376, 2052970, 2258267, 4105940, 4516534, 8211880, 9033068, 11291335, 18066136, 22582670, 45165340, 90330680]

約数ペア:

[(1, 90330680), (2, 45165340), (4, 22582670), (5, 18066136), (8, 11291335), (10, 9033068), (11, 8211880), (20, 4516534), (22, 4105940), (40, 2258267), (44, 2052970), (55, 1642376), (88, 1026485), (110, 821188), (220, 410594), (440, 205297)]