1648940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2843}}^1$

素因数の和:2881

約数の個数: 24

約数和(自身を含む): 3583440

約数和(自身を除く): 1934500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 2843, 5686, 11372, 14215, 28430, 56860, 82447, 164894, 329788, 412235, 824470, 1648940]

約数ペア:

[(1, 1648940), (2, 824470), (4, 412235), (5, 329788), (10, 164894), (20, 82447), (29, 56860), (58, 28430), (116, 14215), (145, 11372), (290, 5686), (580, 2843)]