90071480

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{6379}}^1$

素因数の和:6743

約数の個数: 32

約数和(自身を含む): 203266800

約数和(自身を除く): 113195320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 6379, 7060, 12758, 14120, 25516, 31895, 51032, 63790, 127580, 255160, 2251787, 4503574, 9007148, 11258935, 18014296, 22517870, 45035740, 90071480]

約数ペア:

[(1, 90071480), (2, 45035740), (4, 22517870), (5, 18014296), (8, 11258935), (10, 9007148), (20, 4503574), (40, 2251787), (353, 255160), (706, 127580), (1412, 63790), (1765, 51032), (2824, 31895), (3530, 25516), (6379, 14120), (7060, 12758)]