2077888840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{731651}}^1$

素因数の和:731733

約数の個数: 32

約数和(自身を含む): 4741104960

約数和(自身を除く): 2663216120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 731651, 1463302, 2926604, 3658255, 5853208, 7316510, 14633020, 29266040, 51947221, 103894442, 207788884, 259736105, 415577768, 519472210, 1038944420, 2077888840]

約数ペア:

[(1, 2077888840), (2, 1038944420), (4, 519472210), (5, 415577768), (8, 259736105), (10, 207788884), (20, 103894442), (40, 51947221), (71, 29266040), (142, 14633020), (284, 7316510), (355, 5853208), (568, 3658255), (710, 2926604), (1420, 1463302), (2840, 731651)]