871125740

素因数分解:

$2^2\times 5^1\times {\mathrm{4999}}^1\times {\mathrm{8713}}^1$

素因数の和:13721

約数の個数: 24

約数和(自身を含む): 1829940000

約数和(自身を除く): 958814260

約数列:

[1, 2, 4, 5, 10, 20, 4999, 8713, 9998, 17426, 19996, 24995, 34852, 43565, 49990, 87130, 99980, 174260, 43556287, 87112574, 174225148, 217781435, 435562870, 871125740]

約数ペア:

[(1, 871125740), (2, 435562870), (4, 217781435), (5, 174225148), (10, 87112574), (20, 43556287), (4999, 174260), (8713, 99980), (9998, 87130), (17426, 49990), (19996, 43565), (24995, 34852)]