30820540

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{4441}}^1$

素因数の和:4797

約数の個数: 24

約数和(自身を含む): 64924272

約数和(自身を除く): 34103732

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 3470, 4441, 6940, 8882, 17764, 22205, 44410, 88820, 1541027, 3082054, 6164108, 7705135, 15410270, 30820540]

約数ペア:

[(1, 30820540), (2, 15410270), (4, 7705135), (5, 6164108), (10, 3082054), (20, 1541027), (347, 88820), (694, 44410), (1388, 22205), (1735, 17764), (3470, 8882), (4441, 6940)]