80055890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{27701}}^1$

素因数の和:27742

約数の個数: 24

約数和(自身を含む): 153081252

約数和(自身を除く): 73025362

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 27701, 55402, 138505, 277010, 470917, 941834, 2354585, 4709170, 8005589, 16011178, 40027945, 80055890]

約数ペア:

[(1, 80055890), (2, 40027945), (5, 16011178), (10, 8005589), (17, 4709170), (34, 2354585), (85, 941834), (170, 470917), (289, 277010), (578, 138505), (1445, 55402), (2890, 27701)]