8790760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19979}}^1$

素因数の和:20001

約数の個数: 32

約数和(自身を含む): 21578400

約数和(自身を除く): 12787640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 19979, 39958, 79916, 99895, 159832, 199790, 219769, 399580, 439538, 799160, 879076, 1098845, 1758152, 2197690, 4395380, 8790760]

約数ペア:

[(1, 8790760), (2, 4395380), (4, 2197690), (5, 1758152), (8, 1098845), (10, 879076), (11, 799160), (20, 439538), (22, 399580), (40, 219769), (44, 199790), (55, 159832), (88, 99895), (110, 79916), (220, 39958), (440, 19979)]