201801920

素因数分解:

$2^6\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3169}}^1$

素因数の和:3385

約数の個数: 56

約数和(自身を含む): 483108000

約数和(自身を除く): 281306080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 199, 320, 398, 796, 995, 1592, 1990, 3169, 3184, 3980, 6338, 6368, 7960, 12676, 12736, 15845, 15920, 25352, 31690, 31840, 50704, 63380, 63680, 101408, 126760, 202816, 253520, 507040, 630631, 1014080, 1261262, 2522524, 3153155, 5045048, 6306310, 10090096, 12612620, 20180192, 25225240, 40360384, 50450480, 100900960, 201801920]

約数ペア:

[(1, 201801920), (2, 100900960), (4, 50450480), (5, 40360384), (8, 25225240), (10, 20180192), (16, 12612620), (20, 10090096), (32, 6306310), (40, 5045048), (64, 3153155), (80, 2522524), (160, 1261262), (199, 1014080), (320, 630631), (398, 507040), (796, 253520), (995, 202816), (1592, 126760), (1990, 101408), (3169, 63680), (3184, 63380), (3980, 50704), (6338, 31840), (6368, 31690), (7960, 25352), (12676, 15920), (12736, 15845)]