28701460

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{21419}}^1$

素因数の和:21495

約数の個数: 24

約数和(自身を含む): 61175520

約数和(自身を除く): 32474060

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 21419, 42838, 85676, 107095, 214190, 428380, 1435073, 2870146, 5740292, 7175365, 14350730, 28701460]

約数ペア:

[(1, 28701460), (2, 14350730), (4, 7175365), (5, 5740292), (10, 2870146), (20, 1435073), (67, 428380), (134, 214190), (268, 107095), (335, 85676), (670, 42838), (1340, 21419)]