8220580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13259}}^1$

素因数の和:13299

約数の個数: 24

約数和(自身を含む): 17821440

約数和(自身を除く): 9600860

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 13259, 26518, 53036, 66295, 132590, 265180, 411029, 822058, 1644116, 2055145, 4110290, 8220580]

約数ペア:

[(1, 8220580), (2, 4110290), (4, 2055145), (5, 1644116), (10, 822058), (20, 411029), (31, 265180), (62, 132590), (124, 66295), (155, 53036), (310, 26518), (620, 13259)]