2088402920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{660887}}^1$

素因数の和:660977

約数の個数: 32

約数和(自身を含む): 4758393600

約数和(自身を除く): 2669990680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 660887, 1321774, 2643548, 3304435, 5287096, 6608870, 13217740, 26435480, 52210073, 104420146, 208840292, 261050365, 417680584, 522100730, 1044201460, 2088402920]

約数ペア:

[(1, 2088402920), (2, 1044201460), (4, 522100730), (5, 417680584), (8, 261050365), (10, 208840292), (20, 104420146), (40, 52210073), (79, 26435480), (158, 13217740), (316, 6608870), (395, 5287096), (632, 3304435), (790, 2643548), (1580, 1321774), (3160, 660887)]