201618140

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{15581}}^1$

素因数の和:16237

約数の個数: 24

約数和(自身を含む): 424079712

約数和(自身を除く): 222461572

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 6470, 12940, 15581, 31162, 62324, 77905, 155810, 311620, 10080907, 20161814, 40323628, 50404535, 100809070, 201618140]

約数ペア:

[(1, 201618140), (2, 100809070), (4, 50404535), (5, 40323628), (10, 20161814), (20, 10080907), (647, 311620), (1294, 155810), (2588, 77905), (3235, 62324), (6470, 31162), (12940, 15581)]