129354040

素因数分解:

$2^3\times 5^1\times {\mathrm{3233851}}^1$

素因数の和:3233862

約数の個数: 16

約数和(自身を含む): 291046680

約数和(自身を除く): 161692640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3233851, 6467702, 12935404, 16169255, 25870808, 32338510, 64677020, 129354040]

約数ペア:

[(1, 129354040), (2, 64677020), (4, 32338510), (5, 25870808), (8, 16169255), (10, 12935404), (20, 6467702), (40, 3233851)]