2783181880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1618129}}^1$

素因数の和:1618183

約数の個数: 32

約数和(自身を含む): 6407794800

約数和(自身を除く): 3624612920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1618129, 3236258, 6472516, 8090645, 12945032, 16181290, 32362580, 64725160, 69579547, 139159094, 278318188, 347897735, 556636376, 695795470, 1391590940, 2783181880]

約数ペア:

[(1, 2783181880), (2, 1391590940), (4, 695795470), (5, 556636376), (8, 347897735), (10, 278318188), (20, 139159094), (40, 69579547), (43, 64725160), (86, 32362580), (172, 16181290), (215, 12945032), (344, 8090645), (430, 6472516), (860, 3236258), (1720, 1618129)]