129586480

素因数分解:

$2^4\times 5^1\times {\mathrm{1619831}}^1$

素因数の和:1619844

約数の個数: 20

約数和(自身を含む): 301288752

約数和(自身を除く): 171702272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1619831, 3239662, 6479324, 8099155, 12958648, 16198310, 25917296, 32396620, 64793240, 129586480]

約数ペア:

[(1, 129586480), (2, 64793240), (4, 32396620), (5, 25917296), (8, 16198310), (10, 12958648), (16, 8099155), (20, 6479324), (40, 3239662), (80, 1619831)]