133123840

素因数分解:

$2^8\times 5^1\times {\mathrm{104003}}^1$

素因数の和:104024

約数の個数: 36

約数和(自身を含む): 318876264

約数和(自身を除く): 185752424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 104003, 208006, 416012, 520015, 832024, 1040030, 1664048, 2080060, 3328096, 4160120, 6656192, 8320240, 13312384, 16640480, 26624768, 33280960, 66561920, 133123840]

約数ペア:

[(1, 133123840), (2, 66561920), (4, 33280960), (5, 26624768), (8, 16640480), (10, 13312384), (16, 8320240), (20, 6656192), (32, 4160120), (40, 3328096), (64, 2080060), (80, 1664048), (128, 1040030), (160, 832024), (256, 520015), (320, 416012), (640, 208006), (1280, 104003)]