25729400

素因数分解:

$2^3\times 5^2\times {\mathrm{103}}^1\times {\mathrm{1249}}^1$

素因数の和:1368

約数の個数: 48

約数和(自身を含む): 60450000

約数和(自身を除く): 34720600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 103, 200, 206, 412, 515, 824, 1030, 1249, 2060, 2498, 2575, 4120, 4996, 5150, 6245, 9992, 10300, 12490, 20600, 24980, 31225, 49960, 62450, 124900, 128647, 249800, 257294, 514588, 643235, 1029176, 1286470, 2572940, 3216175, 5145880, 6432350, 12864700, 25729400]

約数ペア:

[(1, 25729400), (2, 12864700), (4, 6432350), (5, 5145880), (8, 3216175), (10, 2572940), (20, 1286470), (25, 1029176), (40, 643235), (50, 514588), (100, 257294), (103, 249800), (200, 128647), (206, 124900), (412, 62450), (515, 49960), (824, 31225), (1030, 24980), (1249, 20600), (2060, 12490), (2498, 10300), (2575, 9992), (4120, 6245), (4996, 5150)]