28329320

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6619}}^1$

素因数の和:6737

約数の個数: 32

約数和(自身を含む): 64346400

約数和(自身を除く): 36017080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 6619, 13238, 26476, 33095, 52952, 66190, 132380, 264760, 708233, 1416466, 2832932, 3541165, 5665864, 7082330, 14164660, 28329320]

約数ペア:

[(1, 28329320), (2, 14164660), (4, 7082330), (5, 5665864), (8, 3541165), (10, 2832932), (20, 1416466), (40, 708233), (107, 264760), (214, 132380), (428, 66190), (535, 52952), (856, 33095), (1070, 26476), (2140, 13238), (4280, 6619)]