20128022500

素因数分解:

$2^2\times 5^4\times {\mathrm{8051209}}^1$

素因数の和:8051233

約数の個数: 30

約数和(自身を含む): 44015965070

約数和(自身を除く): 23887942570

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 8051209, 16102418, 32204836, 40256045, 80512090, 161024180, 201280225, 402560450, 805120900, 1006401125, 2012802250, 4025604500, 5032005625, 10064011250, 20128022500]

約数ペア:

[(1, 20128022500), (2, 10064011250), (4, 5032005625), (5, 4025604500), (10, 2012802250), (20, 1006401125), (25, 805120900), (50, 402560450), (100, 201280225), (125, 161024180), (250, 80512090), (500, 40256045), (625, 32204836), (1250, 16102418), (2500, 8051209)]