28560760

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{10657}}^1$

素因数の和:10735

約数の個数: 32

約数和(自身を含む): 65226960

約数和(自身を除く): 36666200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 10657, 21314, 42628, 53285, 85256, 106570, 213140, 426280, 714019, 1428038, 2856076, 3570095, 5712152, 7140190, 14280380, 28560760]

約数ペア:

[(1, 28560760), (2, 14280380), (4, 7140190), (5, 5712152), (8, 3570095), (10, 2856076), (20, 1428038), (40, 714019), (67, 426280), (134, 213140), (268, 106570), (335, 85256), (536, 53285), (670, 42628), (1340, 21314), (2680, 10657)]