79140640

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11503}}^1$

素因数の和:11561

約数の個数: 48

約数和(自身を含む): 191334528

約数和(自身を除く): 112193888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 11503, 23006, 46012, 57515, 92024, 115030, 184048, 230060, 368096, 460120, 494629, 920240, 989258, 1840480, 1978516, 2473145, 3957032, 4946290, 7914064, 9892580, 15828128, 19785160, 39570320, 79140640]

約数ペア:

[(1, 79140640), (2, 39570320), (4, 19785160), (5, 15828128), (8, 9892580), (10, 7914064), (16, 4946290), (20, 3957032), (32, 2473145), (40, 1978516), (43, 1840480), (80, 989258), (86, 920240), (160, 494629), (172, 460120), (215, 368096), (344, 230060), (430, 184048), (688, 115030), (860, 92024), (1376, 57515), (1720, 46012), (3440, 23006), (6880, 11503)]