1990550

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{971}}^1$

素因数の和:1024

約数の個数: 24

約数和(自身を含む): 3796632

約数和(自身を除く): 1806082

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 971, 1025, 1942, 2050, 4855, 9710, 24275, 39811, 48550, 79622, 199055, 398110, 995275, 1990550]

約数ペア:

[(1, 1990550), (2, 995275), (5, 398110), (10, 199055), (25, 79622), (41, 48550), (50, 39811), (82, 24275), (205, 9710), (410, 4855), (971, 2050), (1025, 1942)]