2780720

素因数分解:

$2^4\times 5^1\times {\mathrm{34759}}^1$

素因数の和:34772

約数の個数: 20

約数和(自身を含む): 6465360

約数和(自身を除く): 3684640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 34759, 69518, 139036, 173795, 278072, 347590, 556144, 695180, 1390360, 2780720]

約数ペア:

[(1, 2780720), (2, 1390360), (4, 695180), (5, 556144), (8, 347590), (10, 278072), (16, 173795), (20, 139036), (40, 69518), (80, 34759)]