80705060

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{39953}}^1$

素因数の和:40063

約数の個数: 24

約数和(自身を含む): 171162936

約数和(自身を除く): 90457876

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 39953, 79906, 159812, 199765, 399530, 799060, 4035253, 8070506, 16141012, 20176265, 40352530, 80705060]

約数ペア:

[(1, 80705060), (2, 40352530), (4, 20176265), (5, 16141012), (10, 8070506), (20, 4035253), (101, 799060), (202, 399530), (404, 199765), (505, 159812), (1010, 79906), (2020, 39953)]