13091620

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6481}}^1$

素因数の和:6591

約数の個数: 24

約数和(自身を含む): 27768888

約数和(自身を除く): 14677268

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 6481, 12962, 25924, 32405, 64810, 129620, 654581, 1309162, 2618324, 3272905, 6545810, 13091620]

約数ペア:

[(1, 13091620), (2, 6545810), (4, 3272905), (5, 2618324), (10, 1309162), (20, 654581), (101, 129620), (202, 64810), (404, 32405), (505, 25924), (1010, 12962), (2020, 6481)]