16405087690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{40012409}}^1$

素因数の和:40012457

約数の個数: 16

約数和(自身を含む): 30249381960

約数和(自身を除く): 13844294270

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 40012409, 80024818, 200062045, 400124090, 1640508769, 3281017538, 8202543845, 16405087690]

約数ペア:

[(1, 16405087690), (2, 8202543845), (5, 3281017538), (10, 1640508769), (41, 400124090), (82, 200062045), (205, 80024818), (410, 40012409)]