19400800

素因数分解:

$2^5\times 5^2\times {\mathrm{24251}}^1$

素因数の和:24271

約数の個数: 36

約数和(自身を含む): 47364156

約数和(自身を除く): 27963356

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 24251, 48502, 97004, 121255, 194008, 242510, 388016, 485020, 606275, 776032, 970040, 1212550, 1940080, 2425100, 3880160, 4850200, 9700400, 19400800]

約数ペア:

[(1, 19400800), (2, 9700400), (4, 4850200), (5, 3880160), (8, 2425100), (10, 1940080), (16, 1212550), (20, 970040), (25, 776032), (32, 606275), (40, 485020), (50, 388016), (80, 242510), (100, 194008), (160, 121255), (200, 97004), (400, 48502), (800, 24251)]