28077840880

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{827}}^1\times {\mathrm{1069}}^1$

素因数の和:2306

約数の個数: 80

約数和(自身を含む): 65585846880

約数和(自身を除く): 37508006000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 827, 1069, 1588, 1654, 1985, 2138, 3176, 3308, 3970, 4135, 4276, 5345, 6352, 6616, 7940, 8270, 8552, 10690, 13232, 15880, 16540, 17104, 21380, 31760, 33080, 42760, 66160, 85520, 328319, 424393, 656638, 848786, 884063, 1313276, 1641595, 1697572, 1768126, 2121965, 2626552, 3283190, 3395144, 3536252, 4243930, 4420315, 5253104, 6566380, 6790288, 7072504, 8487860, 8840630, 13132760, 14145008, 16975720, 17681260, 26265520, 33951440, 35362520, 70725040, 350973011, 701946022, 1403892044, 1754865055, 2807784088, 3509730110, 5615568176, 7019460220, 14038920440, 28077840880]

約数ペア:

[(1, 28077840880), (2, 14038920440), (4, 7019460220), (5, 5615568176), (8, 3509730110), (10, 2807784088), (16, 1754865055), (20, 1403892044), (40, 701946022), (80, 350973011), (397, 70725040), (794, 35362520), (827, 33951440), (1069, 26265520), (1588, 17681260), (1654, 16975720), (1985, 14145008), (2138, 13132760), (3176, 8840630), (3308, 8487860), (3970, 7072504), (4135, 6790288), (4276, 6566380), (5345, 5253104), (6352, 4420315), (6616, 4243930), (7940, 3536252), (8270, 3395144), (8552, 3283190), (10690, 2626552), (13232, 2121965), (15880, 1768126), (16540, 1697572), (17104, 1641595), (21380, 1313276), (31760, 884063), (33080, 848786), (42760, 656638), (66160, 424393), (85520, 328319)]