2000786080

素因数分解:

$2^5\times 5^1\times {\mathrm{569}}^1\times {\mathrm{21977}}^1$

素因数の和:22561

約数の個数: 48

約数和(自身を含む): 4735379880

約数和(自身を除く): 2734593800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 569, 1138, 2276, 2845, 4552, 5690, 9104, 11380, 18208, 21977, 22760, 43954, 45520, 87908, 91040, 109885, 175816, 219770, 351632, 439540, 703264, 879080, 1758160, 3516320, 12504913, 25009826, 50019652, 62524565, 100039304, 125049130, 200078608, 250098260, 400157216, 500196520, 1000393040, 2000786080]

約数ペア:

[(1, 2000786080), (2, 1000393040), (4, 500196520), (5, 400157216), (8, 250098260), (10, 200078608), (16, 125049130), (20, 100039304), (32, 62524565), (40, 50019652), (80, 25009826), (160, 12504913), (569, 3516320), (1138, 1758160), (2276, 879080), (2845, 703264), (4552, 439540), (5690, 351632), (9104, 219770), (11380, 175816), (18208, 109885), (21977, 91040), (22760, 87908), (43954, 45520)]