71810140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{156109}}^1$

素因数の和:156141

約数の個数: 24

約数和(自身を含む): 157358880

約数和(自身を除く): 85548740

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 156109, 312218, 624436, 780545, 1561090, 3122180, 3590507, 7181014, 14362028, 17952535, 35905070, 71810140]

約数ペア:

[(1, 71810140), (2, 35905070), (4, 17952535), (5, 14362028), (10, 7181014), (20, 3590507), (23, 3122180), (46, 1561090), (92, 780545), (115, 624436), (230, 312218), (460, 156109)]