26026051420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{492731}}^1$

素因数の和:492898

約数の個数: 48

約数和(自身を含む): 57945283200

約数和(自身を除く): 31919231780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 380, 556, 695, 1390, 2641, 2780, 5282, 10564, 13205, 26410, 52820, 492731, 985462, 1970924, 2463655, 4927310, 9361889, 9854620, 18723778, 37447556, 46809445, 68489609, 93618890, 136979218, 187237780, 273958436, 342448045, 684896090, 1301302571, 1369792180, 2602605142, 5205210284, 6506512855, 13013025710, 26026051420]

約数ペア:

[(1, 26026051420), (2, 13013025710), (4, 6506512855), (5, 5205210284), (10, 2602605142), (19, 1369792180), (20, 1301302571), (38, 684896090), (76, 342448045), (95, 273958436), (139, 187237780), (190, 136979218), (278, 93618890), (380, 68489609), (556, 46809445), (695, 37447556), (1390, 18723778), (2641, 9854620), (2780, 9361889), (5282, 4927310), (10564, 2463655), (13205, 1970924), (26410, 985462), (52820, 492731)]