420680425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{80513}}^1$

素因数の和:80553

約数の個数: 24

約数和(自身を含む): 599024160

約数和(自身を除く): 178343735

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 80513, 402565, 885643, 1529747, 2012825, 4428215, 7648735, 16827217, 22141075, 38243675, 84136085, 420680425]

約数ペア:

[(1, 420680425), (5, 84136085), (11, 38243675), (19, 22141075), (25, 16827217), (55, 7648735), (95, 4428215), (209, 2012825), (275, 1529747), (475, 885643), (1045, 402565), (5225, 80513)]