87187180

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{12491}}^1$

素因数の和:12849

約数の個数: 24

約数和(自身を含む): 183632400

約数和(自身を除く): 96445220

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 12491, 24982, 49964, 62455, 124910, 249820, 4359359, 8718718, 17437436, 21796795, 43593590, 87187180]

約数ペア:

[(1, 87187180), (2, 43593590), (4, 21796795), (5, 17437436), (10, 8718718), (20, 4359359), (349, 249820), (698, 124910), (1396, 62455), (1745, 49964), (3490, 24982), (6980, 12491)]