7276840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1669}}^1$

素因数の和:1789

約数の個数: 32

約数和(自身を含む): 16533000

約数和(自身を除く): 9256160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 1669, 2180, 3338, 4360, 6676, 8345, 13352, 16690, 33380, 66760, 181921, 363842, 727684, 909605, 1455368, 1819210, 3638420, 7276840]

約数ペア:

[(1, 7276840), (2, 3638420), (4, 1819210), (5, 1455368), (8, 909605), (10, 727684), (20, 363842), (40, 181921), (109, 66760), (218, 33380), (436, 16690), (545, 13352), (872, 8345), (1090, 6676), (1669, 4360), (2180, 3338)]