25612820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 56179200

約数和(自身を除く): 30566380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 109, 124, 155, 218, 310, 379, 436, 545, 620, 758, 1090, 1516, 1895, 2180, 3379, 3790, 6758, 7580, 11749, 13516, 16895, 23498, 33790, 41311, 46996, 58745, 67580, 82622, 117490, 165244, 206555, 234980, 413110, 826220, 1280641, 2561282, 5122564, 6403205, 12806410, 25612820]

約数ペア:

[(1, 25612820), (2, 12806410), (4, 6403205), (5, 5122564), (10, 2561282), (20, 1280641), (31, 826220), (62, 413110), (109, 234980), (124, 206555), (155, 165244), (218, 117490), (310, 82622), (379, 67580), (436, 58745), (545, 46996), (620, 41311), (758, 33790), (1090, 23498), (1516, 16895), (1895, 13516), (2180, 11749), (3379, 7580), (3790, 6758)]