71480540

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{5407}}^1$

素因数の和:6077

約数の個数: 24

約数和(自身を含む): 150364032

約数和(自身を除く): 78883492

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 5407, 6610, 10814, 13220, 21628, 27035, 54070, 108140, 3574027, 7148054, 14296108, 17870135, 35740270, 71480540]

約数ペア:

[(1, 71480540), (2, 35740270), (4, 17870135), (5, 14296108), (10, 7148054), (20, 3574027), (661, 108140), (1322, 54070), (2644, 27035), (3305, 21628), (5407, 13220), (6610, 10814)]