16764280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 41146560

約数和(自身を除く): 24382280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 103, 104, 130, 206, 260, 313, 412, 515, 520, 626, 824, 1030, 1252, 1339, 1565, 2060, 2504, 2678, 3130, 4069, 4120, 5356, 6260, 6695, 8138, 10712, 12520, 13390, 16276, 20345, 26780, 32239, 32552, 40690, 53560, 64478, 81380, 128956, 161195, 162760, 257912, 322390, 419107, 644780, 838214, 1289560, 1676428, 2095535, 3352856, 4191070, 8382140, 16764280]

約数ペア:

[(1, 16764280), (2, 8382140), (4, 4191070), (5, 3352856), (8, 2095535), (10, 1676428), (13, 1289560), (20, 838214), (26, 644780), (40, 419107), (52, 322390), (65, 257912), (103, 162760), (104, 161195), (130, 128956), (206, 81380), (260, 64478), (313, 53560), (412, 40690), (515, 32552), (520, 32239), (626, 26780), (824, 20345), (1030, 16276), (1252, 13390), (1339, 12520), (1565, 10712), (2060, 8138), (2504, 6695), (2678, 6260), (3130, 5356), (4069, 4120)]