8097500

素因数分解:

$2^2\times 5^4\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 60

約数和(自身を含む): 18369120

約数和(自身を除く): 10271620

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 79, 82, 100, 125, 158, 164, 205, 250, 316, 395, 410, 500, 625, 790, 820, 1025, 1250, 1580, 1975, 2050, 2500, 3239, 3950, 4100, 5125, 6478, 7900, 9875, 10250, 12956, 16195, 19750, 20500, 25625, 32390, 39500, 49375, 51250, 64780, 80975, 98750, 102500, 161950, 197500, 323900, 404875, 809750, 1619500, 2024375, 4048750, 8097500]

約数ペア:

[(1, 8097500), (2, 4048750), (4, 2024375), (5, 1619500), (10, 809750), (20, 404875), (25, 323900), (41, 197500), (50, 161950), (79, 102500), (82, 98750), (100, 80975), (125, 64780), (158, 51250), (164, 49375), (205, 39500), (250, 32390), (316, 25625), (395, 20500), (410, 19750), (500, 16195), (625, 12956), (790, 10250), (820, 9875), (1025, 7900), (1250, 6478), (1580, 5125), (1975, 4100), (2050, 3950), (2500, 3239)]