51780790

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{8053}}^1$

素因数の和:8703

約数の個数: 16

約数和(自身を含む): 93361968

約数和(自身を除く): 41581178

約数列:

[1, 2, 5, 10, 643, 1286, 3215, 6430, 8053, 16106, 40265, 80530, 5178079, 10356158, 25890395, 51780790]

約数ペア:

[(1, 51780790), (2, 25890395), (5, 10356158), (10, 5178079), (643, 80530), (1286, 40265), (3215, 16106), (6430, 8053)]