1298982620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4996087}}^1$

素因数の和:4996109

約数の個数: 24

約数和(自身を含む): 2937699744

約数和(自身を除く): 1638717124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4996087, 9992174, 19984348, 24980435, 49960870, 64949131, 99921740, 129898262, 259796524, 324745655, 649491310, 1298982620]

約数ペア:

[(1, 1298982620), (2, 649491310), (4, 324745655), (5, 259796524), (10, 129898262), (13, 99921740), (20, 64949131), (26, 49960870), (52, 24980435), (65, 19984348), (130, 9992174), (260, 4996087)]