102564920

素因数分解:

$2^3\times 5^1\times {\mathrm{2564123}}^1$

素因数の和:2564134

約数の個数: 16

約数和(自身を含む): 230771160

約数和(自身を除く): 128206240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2564123, 5128246, 10256492, 12820615, 20512984, 25641230, 51282460, 102564920]

約数ペア:

[(1, 102564920), (2, 51282460), (4, 25641230), (5, 20512984), (8, 12820615), (10, 10256492), (20, 5128246), (40, 2564123)]