8382140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 19201728

約数和(自身を除く): 10819588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 313, 412, 515, 626, 1030, 1252, 1339, 1565, 2060, 2678, 3130, 4069, 5356, 6260, 6695, 8138, 13390, 16276, 20345, 26780, 32239, 40690, 64478, 81380, 128956, 161195, 322390, 419107, 644780, 838214, 1676428, 2095535, 4191070, 8382140]

約数ペア:

[(1, 8382140), (2, 4191070), (4, 2095535), (5, 1676428), (10, 838214), (13, 644780), (20, 419107), (26, 322390), (52, 161195), (65, 128956), (103, 81380), (130, 64478), (206, 40690), (260, 32239), (313, 26780), (412, 20345), (515, 16276), (626, 13390), (1030, 8138), (1252, 6695), (1339, 6260), (1565, 5356), (2060, 4069), (2678, 3130)]