128224900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{16231}}^1$

素因数の和:16324

約数の個数: 36

約数和(自身を含む): 281787520

約数和(自身を除く): 153562620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3950, 7900, 16231, 32462, 64924, 81155, 162310, 324620, 405775, 811550, 1282249, 1623100, 2564498, 5128996, 6411245, 12822490, 25644980, 32056225, 64112450, 128224900]

約数ペア:

[(1, 128224900), (2, 64112450), (4, 32056225), (5, 25644980), (10, 12822490), (20, 6411245), (25, 5128996), (50, 2564498), (79, 1623100), (100, 1282249), (158, 811550), (316, 405775), (395, 324620), (790, 162310), (1580, 81155), (1975, 64924), (3950, 32462), (7900, 16231)]