87404060

素因数分解:

$2^2\times 5^1\times {\mathrm{4370203}}^1$

素因数の和:4370212

約数の個数: 12

約数和(自身を含む): 183548568

約数和(自身を除く): 96144508

約数列:

[1, 2, 4, 5, 10, 20, 4370203, 8740406, 17480812, 21851015, 43702030, 87404060]

約数ペア:

[(1, 87404060), (2, 43702030), (4, 21851015), (5, 17480812), (10, 8740406), (20, 4370203)]