18085480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{64591}}^1$

素因数の和:64609

約数の個数: 32

約数和(自身を含む): 46506240

約数和(自身を除く): 28420760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 64591, 129182, 258364, 322955, 452137, 516728, 645910, 904274, 1291820, 1808548, 2260685, 2583640, 3617096, 4521370, 9042740, 18085480]

約数ペア:

[(1, 18085480), (2, 9042740), (4, 4521370), (5, 3617096), (7, 2583640), (8, 2260685), (10, 1808548), (14, 1291820), (20, 904274), (28, 645910), (35, 516728), (40, 452137), (56, 322955), (70, 258364), (140, 129182), (280, 64591)]