90590140

素因数分解:

$2^2\times 5^1\times {\mathrm{859}}^1\times {\mathrm{5273}}^1$

素因数の和:6141

約数の個数: 24

約数和(自身を含む): 190496880

約数和(自身を除く): 99906740

約数列:

[1, 2, 4, 5, 10, 20, 859, 1718, 3436, 4295, 5273, 8590, 10546, 17180, 21092, 26365, 52730, 105460, 4529507, 9059014, 18118028, 22647535, 45295070, 90590140]

約数ペア:

[(1, 90590140), (2, 45295070), (4, 22647535), (5, 18118028), (10, 9059014), (20, 4529507), (859, 105460), (1718, 52730), (3436, 26365), (4295, 21092), (5273, 17180), (8590, 10546)]