81113090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{22469}}^1$

素因数の和:22514

約数の個数: 24

約数和(自身を含む): 154099260

約数和(自身を除く): 72986170

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 22469, 44938, 112345, 224690, 426911, 853822, 2134555, 4269110, 8111309, 16222618, 40556545, 81113090]

約数ペア:

[(1, 81113090), (2, 40556545), (5, 16222618), (10, 8111309), (19, 4269110), (38, 2134555), (95, 853822), (190, 426911), (361, 224690), (722, 112345), (1805, 44938), (3610, 22469)]