40416

素因数分解:

$2^5\times 3^1\times {\mathrm{421}}^1$

素因数の和:434

約数の個数: 24

約数和(自身を含む): 106344

約数和(自身を除く): 65928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 421, 842, 1263, 1684, 2526, 3368, 5052, 6736, 10104, 13472, 20208, 40416]

約数ペア:

[(1, 40416), (2, 20208), (3, 13472), (4, 10104), (6, 6736), (8, 5052), (12, 3368), (16, 2526), (24, 1684), (32, 1263), (48, 842), (96, 421)]