87606140

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{31513}}^1$

素因数の和:31661

約数の個数: 24

約数和(自身を含む): 185302320

約数和(自身を除く): 97696180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 31513, 63026, 126052, 157565, 315130, 630260, 4380307, 8760614, 17521228, 21901535, 43803070, 87606140]

約数ペア:

[(1, 87606140), (2, 43803070), (4, 21901535), (5, 17521228), (10, 8760614), (20, 4380307), (139, 630260), (278, 315130), (556, 157565), (695, 126052), (1390, 63026), (2780, 31513)]