2022686840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{463919}}^1$

素因数の和:464039

約数の個数: 32

約数和(自身を含む): 4592808000

約数和(自身を除く): 2570121160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 463919, 927838, 1855676, 2319595, 3711352, 4639190, 9278380, 18556760, 50567171, 101134342, 202268684, 252835855, 404537368, 505671710, 1011343420, 2022686840]

約数ペア:

[(1, 2022686840), (2, 1011343420), (4, 505671710), (5, 404537368), (8, 252835855), (10, 202268684), (20, 101134342), (40, 50567171), (109, 18556760), (218, 9278380), (436, 4639190), (545, 3711352), (872, 2319595), (1090, 1855676), (2180, 927838), (4360, 463919)]