28100740

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1447}}^1$

素因数の和:2427

約数の個数: 24

約数和(自身を含む): 59113152

約数和(自身を除く): 31012412

約数列:

[1, 2, 4, 5, 10, 20, 971, 1447, 1942, 2894, 3884, 4855, 5788, 7235, 9710, 14470, 19420, 28940, 1405037, 2810074, 5620148, 7025185, 14050370, 28100740]

約数ペア:

[(1, 28100740), (2, 14050370), (4, 7025185), (5, 5620148), (10, 2810074), (20, 1405037), (971, 28940), (1447, 19420), (1942, 14470), (2894, 9710), (3884, 7235), (4855, 5788)]