78480140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{170609}}^1$

素因数の和:170641

約数の個数: 24

約数和(自身を含む): 171974880

約数和(自身を除く): 93494740

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 170609, 341218, 682436, 853045, 1706090, 3412180, 3924007, 7848014, 15696028, 19620035, 39240070, 78480140]

約数ペア:

[(1, 78480140), (2, 39240070), (4, 19620035), (5, 15696028), (10, 7848014), (20, 3924007), (23, 3412180), (46, 1706090), (92, 853045), (115, 682436), (230, 341218), (460, 170609)]