87065900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 194987520

約数和(自身を除く): 107921620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 103, 107, 158, 206, 214, 316, 395, 412, 428, 515, 535, 790, 1030, 1070, 1580, 1975, 2060, 2140, 2575, 2675, 3950, 5150, 5350, 7900, 8137, 8453, 10300, 10700, 11021, 16274, 16906, 22042, 32548, 33812, 40685, 42265, 44084, 55105, 81370, 84530, 110210, 162740, 169060, 203425, 211325, 220420, 275525, 406850, 422650, 551050, 813700, 845300, 870659, 1102100, 1741318, 3482636, 4353295, 8706590, 17413180, 21766475, 43532950, 87065900]

約数ペア:

[(1, 87065900), (2, 43532950), (4, 21766475), (5, 17413180), (10, 8706590), (20, 4353295), (25, 3482636), (50, 1741318), (79, 1102100), (100, 870659), (103, 845300), (107, 813700), (158, 551050), (206, 422650), (214, 406850), (316, 275525), (395, 220420), (412, 211325), (428, 203425), (515, 169060), (535, 162740), (790, 110210), (1030, 84530), (1070, 81370), (1580, 55105), (1975, 44084), (2060, 42265), (2140, 40685), (2575, 33812), (2675, 32548), (3950, 22042), (5150, 16906), (5350, 16274), (7900, 11021), (8137, 10700), (8453, 10300)]