8042200

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 18972000

約数和(自身を除く): 10929800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 509, 632, 790, 1018, 1580, 1975, 2036, 2545, 3160, 3950, 4072, 5090, 7900, 10180, 12725, 15800, 20360, 25450, 40211, 50900, 80422, 101800, 160844, 201055, 321688, 402110, 804220, 1005275, 1608440, 2010550, 4021100, 8042200]

約数ペア:

[(1, 8042200), (2, 4021100), (4, 2010550), (5, 1608440), (8, 1005275), (10, 804220), (20, 402110), (25, 321688), (40, 201055), (50, 160844), (79, 101800), (100, 80422), (158, 50900), (200, 40211), (316, 25450), (395, 20360), (509, 15800), (632, 12725), (790, 10180), (1018, 7900), (1580, 5090), (1975, 4072), (2036, 3950), (2545, 3160)]