30805420

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2441}}^1$

素因数の和:3081

約数の個数: 24

約数和(自身を含む): 64820448

約数和(自身を除く): 34015028

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2441, 2524, 3155, 4882, 6310, 9764, 12205, 12620, 24410, 48820, 1540271, 3080542, 6161084, 7701355, 15402710, 30805420]

約数ペア:

[(1, 30805420), (2, 15402710), (4, 7701355), (5, 6161084), (10, 3080542), (20, 1540271), (631, 48820), (1262, 24410), (2441, 12620), (2524, 12205), (3155, 9764), (4882, 6310)]