8788750

素因数分解:

$2^1\times 5^4\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:190

約数の個数: 40

約数和(自身を含む): 16869600

約数和(自身を除く): 8080850

約数列:

[1, 2, 5, 10, 25, 50, 79, 89, 125, 158, 178, 250, 395, 445, 625, 790, 890, 1250, 1975, 2225, 3950, 4450, 7031, 9875, 11125, 14062, 19750, 22250, 35155, 49375, 55625, 70310, 98750, 111250, 175775, 351550, 878875, 1757750, 4394375, 8788750]

約数ペア:

[(1, 8788750), (2, 4394375), (5, 1757750), (10, 878875), (25, 351550), (50, 175775), (79, 111250), (89, 98750), (125, 70310), (158, 55625), (178, 49375), (250, 35155), (395, 22250), (445, 19750), (625, 14062), (790, 11125), (890, 9875), (1250, 7031), (1975, 4450), (2225, 3950)]