8499440

素因数分解:

$2^4\times 5^1\times {\mathrm{106243}}^1$

素因数の和:106256

約数の個数: 20

約数和(自身を含む): 19761384

約数和(自身を除く): 11261944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 106243, 212486, 424972, 531215, 849944, 1062430, 1699888, 2124860, 4249720, 8499440]

約数ペア:

[(1, 8499440), (2, 4249720), (4, 2124860), (5, 1699888), (8, 1062430), (10, 849944), (16, 531215), (20, 424972), (40, 212486), (80, 106243)]