565480

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 1297440

約数和(自身を除く): 731960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 211, 268, 335, 422, 536, 670, 844, 1055, 1340, 1688, 2110, 2680, 4220, 8440, 14137, 28274, 56548, 70685, 113096, 141370, 282740, 565480]

約数ペア:

[(1, 565480), (2, 282740), (4, 141370), (5, 113096), (8, 70685), (10, 56548), (20, 28274), (40, 14137), (67, 8440), (134, 4220), (211, 2680), (268, 2110), (335, 1688), (422, 1340), (536, 1055), (670, 844)]