99716720

素因数分解:

$2^4\times 5^1\times {\mathrm{1246459}}^1$

素因数の和:1246472

約数の個数: 20

約数和(自身を含む): 231841560

約数和(自身を除く): 132124840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1246459, 2492918, 4985836, 6232295, 9971672, 12464590, 19943344, 24929180, 49858360, 99716720]

約数ペア:

[(1, 99716720), (2, 49858360), (4, 24929180), (5, 19943344), (8, 12464590), (10, 9971672), (16, 6232295), (20, 4985836), (40, 2492918), (80, 1246459)]