4048750

素因数分解:

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

素因数の和:142

約数の個数: 40

約数和(自身を含む): 7872480

約数和(自身を除く): 3823730

約数列:

[1, 2, 5, 10, 25, 41, 50, 79, 82, 125, 158, 205, 250, 395, 410, 625, 790, 1025, 1250, 1975, 2050, 3239, 3950, 5125, 6478, 9875, 10250, 16195, 19750, 25625, 32390, 49375, 51250, 80975, 98750, 161950, 404875, 809750, 2024375, 4048750]

約数ペア:

[(1, 4048750), (2, 2024375), (5, 809750), (10, 404875), (25, 161950), (41, 98750), (50, 80975), (79, 51250), (82, 49375), (125, 32390), (158, 25625), (205, 19750), (250, 16195), (395, 10250), (410, 9875), (625, 6478), (790, 5125), (1025, 3950), (1250, 3239), (1975, 2050)]