10987280

素因数分解:

$2^4\times 5^1\times {\mathrm{137341}}^1$

素因数の和:137354

約数の個数: 20

約数和(自身を含む): 25545612

約数和(自身を除く): 14558332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137341, 274682, 549364, 686705, 1098728, 1373410, 2197456, 2746820, 5493640, 10987280]

約数ペア:

[(1, 10987280), (2, 5493640), (4, 2746820), (5, 2197456), (8, 1373410), (10, 1098728), (16, 686705), (20, 549364), (40, 274682), (80, 137341)]