80099540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{93139}}^1$

素因数の和:93191

約数の個数: 24

約数和(自身を含む): 172122720

約数和(自身を除く): 92023180

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 93139, 186278, 372556, 465695, 931390, 1862780, 4004977, 8009954, 16019908, 20024885, 40049770, 80099540]

約数ペア:

[(1, 80099540), (2, 40049770), (4, 20024885), (5, 16019908), (10, 8009954), (20, 4004977), (43, 1862780), (86, 931390), (172, 465695), (215, 372556), (430, 186278), (860, 93139)]