213478840

素因数分解:

$2^3\times 5^1\times {\mathrm{5336971}}^1$

素因数の和:5336982

約数の個数: 16

約数和(自身を含む): 480327480

約数和(自身を除く): 266848640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5336971, 10673942, 21347884, 26684855, 42695768, 53369710, 106739420, 213478840]

約数ペア:

[(1, 213478840), (2, 106739420), (4, 53369710), (5, 42695768), (8, 26684855), (10, 21347884), (20, 10673942), (40, 5336971)]