2027830120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1178971}}^1$

素因数の和:1179025

約数の個数: 32

約数和(自身を含む): 4668729120

約数和(自身を除く): 2640899000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1178971, 2357942, 4715884, 5894855, 9431768, 11789710, 23579420, 47158840, 50695753, 101391506, 202783012, 253478765, 405566024, 506957530, 1013915060, 2027830120]

約数ペア:

[(1, 2027830120), (2, 1013915060), (4, 506957530), (5, 405566024), (8, 253478765), (10, 202783012), (20, 101391506), (40, 50695753), (43, 47158840), (86, 23579420), (172, 11789710), (215, 9431768), (344, 5894855), (430, 4715884), (860, 2357942), (1720, 1178971)]