71342620

素因数分解:

$2^2\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{2789}}^1$

素因数の和:4077

約数の個数: 24

約数和(自身を含む): 149990400

約数和(自身を除く): 78647780

約数列:

[1, 2, 4, 5, 10, 20, 1279, 2558, 2789, 5116, 5578, 6395, 11156, 12790, 13945, 25580, 27890, 55780, 3567131, 7134262, 14268524, 17835655, 35671310, 71342620]

約数ペア:

[(1, 71342620), (2, 35671310), (4, 17835655), (5, 14268524), (10, 7134262), (20, 3567131), (1279, 55780), (2558, 27890), (2789, 25580), (5116, 13945), (5578, 12790), (6395, 11156)]