27252520

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1399}}^1$

素因数の和:1897

約数の個数: 32

約数和(自身を含む): 61488000

約数和(自身を除く): 34235480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1399, 1948, 2435, 2798, 3896, 4870, 5596, 6995, 9740, 11192, 13990, 19480, 27980, 55960, 681313, 1362626, 2725252, 3406565, 5450504, 6813130, 13626260, 27252520]

約数ペア:

[(1, 27252520), (2, 13626260), (4, 6813130), (5, 5450504), (8, 3406565), (10, 2725252), (20, 1362626), (40, 681313), (487, 55960), (974, 27980), (1399, 19480), (1948, 13990), (2435, 11192), (2798, 9740), (3896, 6995), (4870, 5596)]