8453000

素因数分解:

$2^3\times 5^3\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 20217600

約数和(自身を除く): 11764600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 107, 125, 158, 200, 214, 250, 316, 395, 428, 500, 535, 632, 790, 856, 1000, 1070, 1580, 1975, 2140, 2675, 3160, 3950, 4280, 5350, 7900, 8453, 9875, 10700, 13375, 15800, 16906, 19750, 21400, 26750, 33812, 39500, 42265, 53500, 67624, 79000, 84530, 107000, 169060, 211325, 338120, 422650, 845300, 1056625, 1690600, 2113250, 4226500, 8453000]

約数ペア:

[(1, 8453000), (2, 4226500), (4, 2113250), (5, 1690600), (8, 1056625), (10, 845300), (20, 422650), (25, 338120), (40, 211325), (50, 169060), (79, 107000), (100, 84530), (107, 79000), (125, 67624), (158, 53500), (200, 42265), (214, 39500), (250, 33812), (316, 26750), (395, 21400), (428, 19750), (500, 16906), (535, 15800), (632, 13375), (790, 10700), (856, 9875), (1000, 8453), (1070, 7900), (1580, 5350), (1975, 4280), (2140, 3950), (2675, 3160)]