40320666

素因数分解:

$2^1\times 3^4\times {\mathrm{248893}}^1$

素因数の和:248907

約数の個数: 20

約数和(自身を含む): 90348522

約数和(自身を除く): 50027856

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 248893, 497786, 746679, 1493358, 2240037, 4480074, 6720111, 13440222, 20160333, 40320666]

約数ペア:

[(1, 40320666), (2, 20160333), (3, 13440222), (6, 6720111), (9, 4480074), (18, 2240037), (27, 1493358), (54, 746679), (81, 497786), (162, 248893)]