68822500

素因数分解:

$2^2\times 5^4\times {\mathrm{27529}}^1$

素因数の和:27553

約数の個数: 30

約数和(自身を含む): 150506510

約数和(自身を除く): 81684010

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 27529, 55058, 110116, 137645, 275290, 550580, 688225, 1376450, 2752900, 3441125, 6882250, 13764500, 17205625, 34411250, 68822500]

約数ペア:

[(1, 68822500), (2, 34411250), (4, 17205625), (5, 13764500), (10, 6882250), (20, 3441125), (25, 2752900), (50, 1376450), (100, 688225), (125, 550580), (250, 275290), (500, 137645), (625, 110116), (1250, 55058), (2500, 27529)]