5420720

素因数分解:

$2^4\times 5^1\times {\mathrm{67759}}^1$

素因数の和:67772

約数の個数: 20

約数和(自身を含む): 12603360

約数和(自身を除く): 7182640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 67759, 135518, 271036, 338795, 542072, 677590, 1084144, 1355180, 2710360, 5420720]

約数ペア:

[(1, 5420720), (2, 2710360), (4, 1355180), (5, 1084144), (8, 677590), (10, 542072), (16, 338795), (20, 271036), (40, 135518), (80, 67759)]