8139821080

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{376147}}^1$

素因数の和:376699

約数の個数: 32

約数和(自身を含む): 18348499440

約数和(自身を除く): 10208678360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 4328, 5410, 10820, 21640, 376147, 752294, 1504588, 1880735, 3009176, 3761470, 7522940, 15045880, 203495527, 406991054, 813982108, 1017477635, 1627964216, 2034955270, 4069910540, 8139821080]

約数ペア:

[(1, 8139821080), (2, 4069910540), (4, 2034955270), (5, 1627964216), (8, 1017477635), (10, 813982108), (20, 406991054), (40, 203495527), (541, 15045880), (1082, 7522940), (2164, 3761470), (2705, 3009176), (4328, 1880735), (5410, 1504588), (10820, 752294), (21640, 376147)]