55376620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{212987}}^1$

素因数の和:213009

約数の個数: 24

約数和(自身を含む): 125236944

約数和(自身を除く): 69860324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 212987, 425974, 851948, 1064935, 2129870, 2768831, 4259740, 5537662, 11075324, 13844155, 27688310, 55376620]

約数ペア:

[(1, 55376620), (2, 27688310), (4, 13844155), (5, 11075324), (10, 5537662), (13, 4259740), (20, 2768831), (26, 2129870), (52, 1064935), (65, 851948), (130, 425974), (260, 212987)]