80543240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87547}}^1$

素因数の和:87581

約数の個数: 32

約数和(自身を含む): 189103680

約数和(自身を除く): 108560440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 87547, 175094, 350188, 437735, 700376, 875470, 1750940, 2013581, 3501880, 4027162, 8054324, 10067905, 16108648, 20135810, 40271620, 80543240]

約数ペア:

[(1, 80543240), (2, 40271620), (4, 20135810), (5, 16108648), (8, 10067905), (10, 8054324), (20, 4027162), (23, 3501880), (40, 2013581), (46, 1750940), (92, 875470), (115, 700376), (184, 437735), (230, 350188), (460, 175094), (920, 87547)]