129099280

素因数分解:

$2^4\times 5^1\times {\mathrm{1613741}}^1$

素因数の和:1613754

約数の個数: 20

約数和(自身を含む): 300156012

約数和(自身を除く): 171056732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1613741, 3227482, 6454964, 8068705, 12909928, 16137410, 25819856, 32274820, 64549640, 129099280]

約数ペア:

[(1, 129099280), (2, 64549640), (4, 32274820), (5, 25819856), (8, 16137410), (10, 12909928), (16, 8068705), (20, 6454964), (40, 3227482), (80, 1613741)]