20116400

素因数分解:

$2^4\times 5^2\times {\mathrm{50291}}^1$

素因数の和:50309

約数の個数: 30

約数和(自身を含む): 48330612

約数和(自身を除く): 28214212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 50291, 100582, 201164, 251455, 402328, 502910, 804656, 1005820, 1257275, 2011640, 2514550, 4023280, 5029100, 10058200, 20116400]

約数ペア:

[(1, 20116400), (2, 10058200), (4, 5029100), (5, 4023280), (8, 2514550), (10, 2011640), (16, 1257275), (20, 1005820), (25, 804656), (40, 502910), (50, 402328), (80, 251455), (100, 201164), (200, 100582), (400, 50291)]