43290440

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9929}}^1$

素因数の和:10049

約数の個数: 32

約数和(自身を含む): 98307000

約数和(自身を除く): 55016560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 9929, 19858, 39716, 49645, 79432, 99290, 198580, 397160, 1082261, 2164522, 4329044, 5411305, 8658088, 10822610, 21645220, 43290440]

約数ペア:

[(1, 43290440), (2, 21645220), (4, 10822610), (5, 8658088), (8, 5411305), (10, 4329044), (20, 2164522), (40, 1082261), (109, 397160), (218, 198580), (436, 99290), (545, 79432), (872, 49645), (1090, 39716), (2180, 19858), (4360, 9929)]