28481620

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{9431}}^1$

素因数の和:9591

約数の個数: 24

約数和(自身を含む): 60213888

約数和(自身を除く): 31732268

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 9431, 18862, 37724, 47155, 94310, 188620, 1424081, 2848162, 5696324, 7120405, 14240810, 28481620]

約数ペア:

[(1, 28481620), (2, 14240810), (4, 7120405), (5, 5696324), (10, 2848162), (20, 1424081), (151, 188620), (302, 94310), (604, 47155), (755, 37724), (1510, 18862), (3020, 9431)]