26357180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 58800000

約数和(自身を除く): 32442820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 380, 499, 556, 695, 998, 1390, 1996, 2495, 2641, 2780, 4990, 5282, 9481, 9980, 10564, 13205, 18962, 26410, 37924, 47405, 52820, 69361, 94810, 138722, 189620, 277444, 346805, 693610, 1317859, 1387220, 2635718, 5271436, 6589295, 13178590, 26357180]

約数ペア:

[(1, 26357180), (2, 13178590), (4, 6589295), (5, 5271436), (10, 2635718), (19, 1387220), (20, 1317859), (38, 693610), (76, 346805), (95, 277444), (139, 189620), (190, 138722), (278, 94810), (380, 69361), (499, 52820), (556, 47405), (695, 37924), (998, 26410), (1390, 18962), (1996, 13205), (2495, 10564), (2641, 9980), (2780, 9481), (4990, 5282)]