71418580

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{27259}}^1$

素因数の和:27399

約数の個数: 24

約数和(自身を含む): 151129440

約数和(自身を除く): 79710860

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 27259, 54518, 109036, 136295, 272590, 545180, 3570929, 7141858, 14283716, 17854645, 35709290, 71418580]

約数ペア:

[(1, 71418580), (2, 35709290), (4, 17854645), (5, 14283716), (10, 7141858), (20, 3570929), (131, 545180), (262, 272590), (524, 136295), (655, 109036), (1310, 54518), (2620, 27259)]