130071640

素因数分解:

$2^3\times 5^1\times {\mathrm{3251791}}^1$

素因数の和:3251802

約数の個数: 16

約数和(自身を含む): 292661280

約数和(自身を除く): 162589640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3251791, 6503582, 13007164, 16258955, 26014328, 32517910, 65035820, 130071640]

約数ペア:

[(1, 130071640), (2, 65035820), (4, 32517910), (5, 26014328), (8, 16258955), (10, 13007164), (20, 6503582), (40, 3251791)]