31193860

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{23279}}^1$

素因数の和:23355

約数の個数: 24

約数和(自身を含む): 66487680

約数和(自身を除く): 35293820

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 23279, 46558, 93116, 116395, 232790, 465580, 1559693, 3119386, 6238772, 7798465, 15596930, 31193860]

約数ペア:

[(1, 31193860), (2, 15596930), (4, 7798465), (5, 6238772), (10, 3119386), (20, 1559693), (67, 465580), (134, 232790), (268, 116395), (335, 93116), (670, 46558), (1340, 23279)]