133607680

素因数分解:

$2^8\times 5^1\times {\mathrm{104381}}^1$

素因数の和:104402

約数の個数: 36

約数和(自身を含む): 320035212

約数和(自身を除く): 186427532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 104381, 208762, 417524, 521905, 835048, 1043810, 1670096, 2087620, 3340192, 4175240, 6680384, 8350480, 13360768, 16700960, 26721536, 33401920, 66803840, 133607680]

約数ペア:

[(1, 133607680), (2, 66803840), (4, 33401920), (5, 26721536), (8, 16700960), (10, 13360768), (16, 8350480), (20, 6680384), (32, 4175240), (40, 3340192), (64, 2087620), (80, 1670096), (128, 1043810), (160, 835048), (256, 521905), (320, 417524), (640, 208762), (1280, 104381)]