41820640

素因数分解:

$2^5\times 5^1\times {\mathrm{261379}}^1$

素因数の和:261394

約数の個数: 24

約数和(自身を含む): 98801640

約数和(自身を除く): 56981000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 261379, 522758, 1045516, 1306895, 2091032, 2613790, 4182064, 5227580, 8364128, 10455160, 20910320, 41820640]

約数ペア:

[(1, 41820640), (2, 20910320), (4, 10455160), (5, 8364128), (8, 5227580), (10, 4182064), (16, 2613790), (20, 2091032), (32, 1306895), (40, 1045516), (80, 522758), (160, 261379)]