80521690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{16333}}^1$

素因数の和:16386

約数の個数: 32

約数和(自身を含む): 158766480

約数和(自身を除く): 78244790

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4930, 16333, 32666, 81665, 163330, 277661, 473657, 555322, 947314, 1388305, 2368285, 2776610, 4736570, 8052169, 16104338, 40260845, 80521690]

約数ペア:

[(1, 80521690), (2, 40260845), (5, 16104338), (10, 8052169), (17, 4736570), (29, 2776610), (34, 2368285), (58, 1388305), (85, 947314), (145, 555322), (170, 473657), (290, 277661), (493, 163330), (986, 81665), (2465, 32666), (4930, 16333)]