23165740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{641}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 52849440

約数和(自身を除く): 29683700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 641, 695, 1282, 1390, 1807, 2564, 2780, 3205, 3614, 6410, 7228, 8333, 9035, 12820, 16666, 18070, 33332, 36140, 41665, 83330, 89099, 166660, 178198, 356396, 445495, 890990, 1158287, 1781980, 2316574, 4633148, 5791435, 11582870, 23165740]

約数ペア:

[(1, 23165740), (2, 11582870), (4, 5791435), (5, 4633148), (10, 2316574), (13, 1781980), (20, 1158287), (26, 890990), (52, 445495), (65, 356396), (130, 178198), (139, 166660), (260, 89099), (278, 83330), (556, 41665), (641, 36140), (695, 33332), (1282, 18070), (1390, 16666), (1807, 12820), (2564, 9035), (2780, 8333), (3205, 7228), (3614, 6410)]