89022890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{19739}}^1$

素因数の和:19798

約数の個数: 32

約数和(自身を含む): 179081280

約数和(自身を除く): 90058390

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 19739, 39478, 98695, 197390, 217129, 434258, 809299, 1085645, 1618598, 2171290, 4046495, 8092990, 8902289, 17804578, 44511445, 89022890]

約数ペア:

[(1, 89022890), (2, 44511445), (5, 17804578), (10, 8902289), (11, 8092990), (22, 4046495), (41, 2171290), (55, 1618598), (82, 1085645), (110, 809299), (205, 434258), (410, 217129), (451, 197390), (902, 98695), (2255, 39478), (4510, 19739)]