5555816440

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{272879}}^1$

素因数の和:273399

約数の個数: 32

約数和(自身を含む): 12525192000

約数和(自身を除く): 6969375560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 4072, 5090, 10180, 20360, 272879, 545758, 1091516, 1364395, 2183032, 2728790, 5457580, 10915160, 138895411, 277790822, 555581644, 694477055, 1111163288, 1388954110, 2777908220, 5555816440]

約数ペア:

[(1, 5555816440), (2, 2777908220), (4, 1388954110), (5, 1111163288), (8, 694477055), (10, 555581644), (20, 277790822), (40, 138895411), (509, 10915160), (1018, 5457580), (2036, 2728790), (2545, 2183032), (4072, 1364395), (5090, 1091516), (10180, 545758), (20360, 272879)]