201721738160

素因数分解:

$2^4\times 5^1\times {\mathrm{2521521727}}^1$

素因数の和:2521521740

約数の個数: 20

約数和(自身を含む): 469003041408

約数和(自身を除く): 267281303248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2521521727, 5043043454, 10086086908, 12607608635, 20172173816, 25215217270, 40344347632, 50430434540, 100860869080, 201721738160]

約数ペア:

[(1, 201721738160), (2, 100860869080), (4, 50430434540), (5, 40344347632), (8, 25215217270), (10, 20172173816), (16, 12607608635), (20, 10086086908), (40, 5043043454), (80, 2521521727)]