55757390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{977}}^1$

素因数の和:1436

約数の個数: 32

約数和(自身を含む): 108440640

約数和(自身を除く): 52683250

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 439, 878, 977, 1954, 2195, 4390, 4885, 5707, 9770, 11414, 12701, 25402, 28535, 57070, 63505, 127010, 428903, 857806, 2144515, 4289030, 5575739, 11151478, 27878695, 55757390]

約数ペア:

[(1, 55757390), (2, 27878695), (5, 11151478), (10, 5575739), (13, 4289030), (26, 2144515), (65, 857806), (130, 428903), (439, 127010), (878, 63505), (977, 57070), (1954, 28535), (2195, 25402), (4390, 12701), (4885, 11414), (5707, 9770)]