71180020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{209353}}^1$

素因数の和:209379

約数の個数: 24

約数和(自身を含む): 158271624

約数和(自身を除く): 87091604

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 209353, 418706, 837412, 1046765, 2093530, 3559001, 4187060, 7118002, 14236004, 17795005, 35590010, 71180020]

約数ペア:

[(1, 71180020), (2, 35590010), (4, 17795005), (5, 14236004), (10, 7118002), (17, 4187060), (20, 3559001), (34, 2093530), (68, 1046765), (85, 837412), (170, 418706), (340, 209353)]