26165975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 38970720

約数和(自身を除く): 12804745

約数列:

[1, 5, 11, 17, 25, 29, 55, 85, 145, 187, 193, 275, 319, 425, 493, 725, 935, 965, 1595, 2123, 2465, 3281, 4675, 4825, 5423, 5597, 7975, 10615, 12325, 16405, 27115, 27985, 36091, 53075, 61567, 82025, 95149, 135575, 139925, 180455, 307835, 475745, 902275, 1046639, 1539175, 2378725, 5233195, 26165975]

約数ペア:

[(1, 26165975), (5, 5233195), (11, 2378725), (17, 1539175), (25, 1046639), (29, 902275), (55, 475745), (85, 307835), (145, 180455), (187, 139925), (193, 135575), (275, 95149), (319, 82025), (425, 61567), (493, 53075), (725, 36091), (935, 27985), (965, 27115), (1595, 16405), (2123, 12325), (2465, 10615), (3281, 7975), (4675, 5597), (4825, 5423)]