12351320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{167}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 28622160

約数和(自身を除く): 16270840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 167, 172, 215, 334, 344, 430, 668, 835, 860, 1336, 1670, 1720, 1849, 3340, 3698, 6680, 7181, 7396, 9245, 14362, 14792, 18490, 28724, 35905, 36980, 57448, 71810, 73960, 143620, 287240, 308783, 617566, 1235132, 1543915, 2470264, 3087830, 6175660, 12351320]

約数ペア:

[(1, 12351320), (2, 6175660), (4, 3087830), (5, 2470264), (8, 1543915), (10, 1235132), (20, 617566), (40, 308783), (43, 287240), (86, 143620), (167, 73960), (172, 71810), (215, 57448), (334, 36980), (344, 35905), (430, 28724), (668, 18490), (835, 14792), (860, 14362), (1336, 9245), (1670, 7396), (1720, 7181), (1849, 6680), (3340, 3698)]