2031880

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 4636800

約数和(自身を除く): 2604920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 643, 790, 1286, 1580, 2572, 3160, 3215, 5144, 6430, 12860, 25720, 50797, 101594, 203188, 253985, 406376, 507970, 1015940, 2031880]

約数ペア:

[(1, 2031880), (2, 1015940), (4, 507970), (5, 406376), (8, 253985), (10, 203188), (20, 101594), (40, 50797), (79, 25720), (158, 12860), (316, 6430), (395, 5144), (632, 3215), (643, 3160), (790, 2572), (1286, 1580)]