855803920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{368881}}^1$

素因数の和:368923

約数の個数: 40

約数和(自身を含む): 2058361560

約数和(自身を除く): 1202557640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 368881, 737762, 1475524, 1844405, 2951048, 3688810, 5902096, 7377620, 10697549, 14755240, 21395098, 29510480, 42790196, 53487745, 85580392, 106975490, 171160784, 213950980, 427901960, 855803920]

約数ペア:

[(1, 855803920), (2, 427901960), (4, 213950980), (5, 171160784), (8, 106975490), (10, 85580392), (16, 53487745), (20, 42790196), (29, 29510480), (40, 21395098), (58, 14755240), (80, 10697549), (116, 7377620), (145, 5902096), (232, 3688810), (290, 2951048), (464, 1844405), (580, 1475524), (1160, 737762), (2320, 368881)]