79580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 175392

約数和(自身を除く): 95812

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 173, 230, 346, 460, 692, 865, 1730, 3460, 3979, 7958, 15916, 19895, 39790, 79580]

約数ペア:

[(1, 79580), (2, 39790), (4, 19895), (5, 15916), (10, 7958), (20, 3979), (23, 3460), (46, 1730), (92, 865), (115, 692), (173, 460), (230, 346)]