1296009740

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{397549}}^1$

素因数の和:397721

約数の個数: 24

約数和(自身を含む): 2738324400

約数和(自身を除く): 1442314660

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 397549, 795098, 1590196, 1987745, 3975490, 7950980, 64800487, 129600974, 259201948, 324002435, 648004870, 1296009740]

約数ペア:

[(1, 1296009740), (2, 648004870), (4, 324002435), (5, 259201948), (10, 129600974), (20, 64800487), (163, 7950980), (326, 3975490), (652, 1987745), (815, 1590196), (1630, 795098), (3260, 397549)]