7210008020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5380603}}^1$

素因数の和:5380679

約数の個数: 24

約数和(自身を含む): 15367005024

約数和(自身を除く): 8156997004

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 5380603, 10761206, 21522412, 26903015, 53806030, 107612060, 360500401, 721000802, 1442001604, 1802502005, 3605004010, 7210008020]

約数ペア:

[(1, 7210008020), (2, 3605004010), (4, 1802502005), (5, 1442001604), (10, 721000802), (20, 360500401), (67, 107612060), (134, 53806030), (268, 26903015), (335, 21522412), (670, 10761206), (1340, 5380603)]