4399940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12941}}^1$

素因数の和:12967

約数の個数: 24

約数和(自身を含む): 9784152

約数和(自身を除く): 5384212

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 12941, 25882, 51764, 64705, 129410, 219997, 258820, 439994, 879988, 1099985, 2199970, 4399940]

約数ペア:

[(1, 4399940), (2, 2199970), (4, 1099985), (5, 879988), (10, 439994), (17, 258820), (20, 219997), (34, 129410), (68, 64705), (85, 51764), (170, 25882), (340, 12941)]