25409060

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{6449}}^1$

素因数の和:6655

約数の個数: 24

約数和(自身を含む): 53638200

約数和(自身を除く): 28229140

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 6449, 12898, 25796, 32245, 64490, 128980, 1270453, 2540906, 5081812, 6352265, 12704530, 25409060]

約数ペア:

[(1, 25409060), (2, 12704530), (4, 6352265), (5, 5081812), (10, 2540906), (20, 1270453), (197, 128980), (394, 64490), (788, 32245), (985, 25796), (1970, 12898), (3940, 6449)]