28388600

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{3301}}^1$

素因数の和:3360

約数の個数: 48

約数和(自身を含む): 67558920

約数和(自身を除く): 39170320

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 3301, 4300, 6602, 8600, 13204, 16505, 26408, 33010, 66020, 82525, 132040, 141943, 165050, 283886, 330100, 567772, 660200, 709715, 1135544, 1419430, 2838860, 3548575, 5677720, 7097150, 14194300, 28388600]

約数ペア:

[(1, 28388600), (2, 14194300), (4, 7097150), (5, 5677720), (8, 3548575), (10, 2838860), (20, 1419430), (25, 1135544), (40, 709715), (43, 660200), (50, 567772), (86, 330100), (100, 283886), (172, 165050), (200, 141943), (215, 132040), (344, 82525), (430, 66020), (860, 33010), (1075, 26408), (1720, 16505), (2150, 13204), (3301, 8600), (4300, 6602)]