8380460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3463}}^1$

素因数の和:3494

約数の個数: 36

約数和(自身を含む): 19349904

約数和(自身を除く): 10969444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 3463, 6926, 13852, 17315, 34630, 38093, 69260, 76186, 152372, 190465, 380930, 419023, 761860, 838046, 1676092, 2095115, 4190230, 8380460]

約数ペア:

[(1, 8380460), (2, 4190230), (4, 2095115), (5, 1676092), (10, 838046), (11, 761860), (20, 419023), (22, 380930), (44, 190465), (55, 152372), (110, 76186), (121, 69260), (220, 38093), (242, 34630), (484, 17315), (605, 13852), (1210, 6926), (2420, 3463)]