70721020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{208003}}^1$

素因数の和:208029

約数の個数: 24

約数和(自身を含む): 157251024

約数和(自身を除く): 86530004

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 208003, 416006, 832012, 1040015, 2080030, 3536051, 4160060, 7072102, 14144204, 17680255, 35360510, 70721020]

約数ペア:

[(1, 70721020), (2, 35360510), (4, 17680255), (5, 14144204), (10, 7072102), (17, 4160060), (20, 3536051), (34, 2080030), (68, 1040015), (85, 832012), (170, 416006), (340, 208003)]