13144240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3821}}^1$

素因数の和:3877

約数の個数: 40

約数和(自身を含む): 31279248

約数和(自身を除く): 18135008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 3821, 7642, 15284, 19105, 30568, 38210, 61136, 76420, 152840, 164303, 305680, 328606, 657212, 821515, 1314424, 1643030, 2628848, 3286060, 6572120, 13144240]

約数ペア:

[(1, 13144240), (2, 6572120), (4, 3286060), (5, 2628848), (8, 1643030), (10, 1314424), (16, 821515), (20, 657212), (40, 328606), (43, 305680), (80, 164303), (86, 152840), (172, 76420), (215, 61136), (344, 38210), (430, 30568), (688, 19105), (860, 15284), (1720, 7642), (3440, 3821)]