10987120

素因数分解:

$2^4\times 5^1\times {\mathrm{137339}}^1$

素因数の和:137352

約数の個数: 20

約数和(自身を含む): 25545240

約数和(自身を除く): 14558120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137339, 274678, 549356, 686695, 1098712, 1373390, 2197424, 2746780, 5493560, 10987120]

約数ペア:

[(1, 10987120), (2, 5493560), (4, 2746780), (5, 2197424), (8, 1373390), (10, 1098712), (16, 686695), (20, 549356), (40, 274678), (80, 137339)]