78048020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229553}}^1$

素因数の和:229579

約数の個数: 24

約数和(自身を含む): 173542824

約数和(自身を除く): 95494804

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 229553, 459106, 918212, 1147765, 2295530, 3902401, 4591060, 7804802, 15609604, 19512005, 39024010, 78048020]

約数ペア:

[(1, 78048020), (2, 39024010), (4, 19512005), (5, 15609604), (10, 7804802), (17, 4591060), (20, 3902401), (34, 2295530), (68, 1147765), (85, 918212), (170, 459106), (340, 229553)]