85340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 190512

約数和(自身を除く): 105172

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 251, 340, 502, 1004, 1255, 2510, 4267, 5020, 8534, 17068, 21335, 42670, 85340]

約数ペア:

[(1, 85340), (2, 42670), (4, 21335), (5, 17068), (10, 8534), (17, 5020), (20, 4267), (34, 2510), (68, 1255), (85, 1004), (170, 502), (251, 340)]