42020720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{75037}}^1$

素因数の和:75057

約数の個数: 40

約数和(自身を含む): 111656544

約数和(自身を除く): 69635824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 75037, 150074, 300148, 375185, 525259, 600296, 750370, 1050518, 1200592, 1500740, 2101036, 2626295, 3001480, 4202072, 5252590, 6002960, 8404144, 10505180, 21010360, 42020720]

約数ペア:

[(1, 42020720), (2, 21010360), (4, 10505180), (5, 8404144), (7, 6002960), (8, 5252590), (10, 4202072), (14, 3001480), (16, 2626295), (20, 2101036), (28, 1500740), (35, 1200592), (40, 1050518), (56, 750370), (70, 600296), (80, 525259), (112, 375185), (140, 300148), (280, 150074), (560, 75037)]