12918200

素因数分解:

$2^3\times 5^2\times {\mathrm{64591}}^1$

素因数の和:64607

約数の個数: 24

約数和(自身を含む): 30035280

約数和(自身を除く): 17117080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 64591, 129182, 258364, 322955, 516728, 645910, 1291820, 1614775, 2583640, 3229550, 6459100, 12918200]

約数ペア:

[(1, 12918200), (2, 6459100), (4, 3229550), (5, 2583640), (8, 1614775), (10, 1291820), (20, 645910), (25, 516728), (40, 322955), (50, 258364), (100, 129182), (200, 64591)]