30982480

素因数分解:

$2^4\times 5^1\times {\mathrm{387281}}^1$

素因数の和:387294

約数の個数: 20

約数和(自身を含む): 72034452

約数和(自身を除く): 41051972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 387281, 774562, 1549124, 1936405, 3098248, 3872810, 6196496, 7745620, 15491240, 30982480]

約数ペア:

[(1, 30982480), (2, 15491240), (4, 7745620), (5, 6196496), (8, 3872810), (10, 3098248), (16, 1936405), (20, 1549124), (40, 774562), (80, 387281)]