28572220

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{9461}}^1$

素因数の和:9621

約数の個数: 24

約数和(自身を含む): 60405408

約数和(自身を除く): 31833188

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 9461, 18922, 37844, 47305, 94610, 189220, 1428611, 2857222, 5714444, 7143055, 14286110, 28572220]

約数ペア:

[(1, 28572220), (2, 14286110), (4, 7143055), (5, 5714444), (10, 2857222), (20, 1428611), (151, 189220), (302, 94610), (604, 47305), (755, 37844), (1510, 18922), (3020, 9461)]