2005392500

素因数分解:

$2^2\times 5^4\times {\mathrm{89}}^1\times {\mathrm{9013}}^1$

素因数の和:9126

約数の個数: 60

約数和(自身を含む): 4435158420

約数和(自身を除く): 2429765920

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 125, 178, 250, 356, 445, 500, 625, 890, 1250, 1780, 2225, 2500, 4450, 8900, 9013, 11125, 18026, 22250, 36052, 44500, 45065, 55625, 90130, 111250, 180260, 222500, 225325, 450650, 802157, 901300, 1126625, 1604314, 2253250, 3208628, 4010785, 4506500, 5633125, 8021570, 11266250, 16043140, 20053925, 22532500, 40107850, 80215700, 100269625, 200539250, 401078500, 501348125, 1002696250, 2005392500]

約数ペア:

[(1, 2005392500), (2, 1002696250), (4, 501348125), (5, 401078500), (10, 200539250), (20, 100269625), (25, 80215700), (50, 40107850), (89, 22532500), (100, 20053925), (125, 16043140), (178, 11266250), (250, 8021570), (356, 5633125), (445, 4506500), (500, 4010785), (625, 3208628), (890, 2253250), (1250, 1604314), (1780, 1126625), (2225, 901300), (2500, 802157), (4450, 450650), (8900, 225325), (9013, 222500), (11125, 180260), (18026, 111250), (22250, 90130), (36052, 55625), (44500, 45065)]