4198520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2441}}^1$

素因数の和:2495

約数の個数: 32

約数和(自身を含む): 9670320

約数和(自身を除く): 5471800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2441, 4882, 9764, 12205, 19528, 24410, 48820, 97640, 104963, 209926, 419852, 524815, 839704, 1049630, 2099260, 4198520]

約数ペア:

[(1, 4198520), (2, 2099260), (4, 1049630), (5, 839704), (8, 524815), (10, 419852), (20, 209926), (40, 104963), (43, 97640), (86, 48820), (172, 24410), (215, 19528), (344, 12205), (430, 9764), (860, 4882), (1720, 2441)]