9956720

素因数分解:

$2^4\times 5^1\times {\mathrm{124459}}^1$

素因数の和:124472

約数の個数: 20

約数和(自身を含む): 23149560

約数和(自身を除く): 13192840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 124459, 248918, 497836, 622295, 995672, 1244590, 1991344, 2489180, 4978360, 9956720]

約数ペア:

[(1, 9956720), (2, 4978360), (4, 2489180), (5, 1991344), (8, 1244590), (10, 995672), (16, 622295), (20, 497836), (40, 248918), (80, 124459)]