71530010

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{17489}}^1$

素因数の和:17905

約数の個数: 16

約数和(自身を含む): 129076200

約数和(自身を除く): 57546190

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 17489, 34978, 87445, 174890, 7153001, 14306002, 35765005, 71530010]

約数ペア:

[(1, 71530010), (2, 35765005), (5, 14306002), (10, 7153001), (409, 174890), (818, 87445), (2045, 34978), (4090, 17489)]