2168840

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{919}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 4968000

約数和(自身を除く): 2799160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 919, 1180, 1838, 2360, 3676, 4595, 7352, 9190, 18380, 36760, 54221, 108442, 216884, 271105, 433768, 542210, 1084420, 2168840]

約数ペア:

[(1, 2168840), (2, 1084420), (4, 542210), (5, 433768), (8, 271105), (10, 216884), (20, 108442), (40, 54221), (59, 36760), (118, 18380), (236, 9190), (295, 7352), (472, 4595), (590, 3676), (919, 2360), (1180, 1838)]