4021100

素因数分解:

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

素因数の和:602

約数の個数: 36

約数和(自身を含む): 8853600

約数和(自身を除く): 4832500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 509, 790, 1018, 1580, 1975, 2036, 2545, 3950, 5090, 7900, 10180, 12725, 25450, 40211, 50900, 80422, 160844, 201055, 402110, 804220, 1005275, 2010550, 4021100]

約数ペア:

[(1, 4021100), (2, 2010550), (4, 1005275), (5, 804220), (10, 402110), (20, 201055), (25, 160844), (50, 80422), (79, 50900), (100, 40211), (158, 25450), (316, 12725), (395, 10180), (509, 7900), (790, 5090), (1018, 3950), (1580, 2545), (1975, 2036)]