22805000

素因数分解:

$2^3\times 5^4\times {\mathrm{4561}}^1$

素因数の和:4587

約数の個数: 40

約数和(自身を含む): 53443830

約数和(自身を除く): 30638830

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 4561, 5000, 9122, 18244, 22805, 36488, 45610, 91220, 114025, 182440, 228050, 456100, 570125, 912200, 1140250, 2280500, 2850625, 4561000, 5701250, 11402500, 22805000]

約数ペア:

[(1, 22805000), (2, 11402500), (4, 5701250), (5, 4561000), (8, 2850625), (10, 2280500), (20, 1140250), (25, 912200), (40, 570125), (50, 456100), (100, 228050), (125, 182440), (200, 114025), (250, 91220), (500, 45610), (625, 36488), (1000, 22805), (1250, 18244), (2500, 9122), (4561, 5000)]