20199671600

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1741351}}^1$

素因数の和:1741398

約数の個数: 60

約数和(自身を含む): 50203178160

約数和(自身を除く): 30003506560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 145, 200, 232, 290, 400, 464, 580, 725, 1160, 1450, 2320, 2900, 5800, 11600, 1741351, 3482702, 6965404, 8706755, 13930808, 17413510, 27861616, 34827020, 43533775, 50499179, 69654040, 87067550, 100998358, 139308080, 174135100, 201996716, 252495895, 348270200, 403993432, 504991790, 696540400, 807986864, 1009983580, 1262479475, 2019967160, 2524958950, 4039934320, 5049917900, 10099835800, 20199671600]

約数ペア:

[(1, 20199671600), (2, 10099835800), (4, 5049917900), (5, 4039934320), (8, 2524958950), (10, 2019967160), (16, 1262479475), (20, 1009983580), (25, 807986864), (29, 696540400), (40, 504991790), (50, 403993432), (58, 348270200), (80, 252495895), (100, 201996716), (116, 174135100), (145, 139308080), (200, 100998358), (232, 87067550), (290, 69654040), (400, 50499179), (464, 43533775), (580, 34827020), (725, 27861616), (1160, 17413510), (1450, 13930808), (2320, 8706755), (2900, 6965404), (5800, 3482702), (11600, 1741351)]