5121740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19699}}^1$

素因数の和:19721

約数の個数: 24

約数和(自身を含む): 11583600

約数和(自身を除く): 6461860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 19699, 39398, 78796, 98495, 196990, 256087, 393980, 512174, 1024348, 1280435, 2560870, 5121740]

約数ペア:

[(1, 5121740), (2, 2560870), (4, 1280435), (5, 1024348), (10, 512174), (13, 393980), (20, 256087), (26, 196990), (52, 98495), (65, 78796), (130, 39398), (260, 19699)]