8397040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2441}}^1$

素因数の和:2497

約数の個数: 40

約数和(自身を含む): 19985328

約数和(自身を除く): 11588288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2441, 3440, 4882, 9764, 12205, 19528, 24410, 39056, 48820, 97640, 104963, 195280, 209926, 419852, 524815, 839704, 1049630, 1679408, 2099260, 4198520, 8397040]

約数ペア:

[(1, 8397040), (2, 4198520), (4, 2099260), (5, 1679408), (8, 1049630), (10, 839704), (16, 524815), (20, 419852), (40, 209926), (43, 195280), (80, 104963), (86, 97640), (172, 48820), (215, 39056), (344, 24410), (430, 19528), (688, 12205), (860, 9764), (1720, 4882), (2441, 3440)]