28982480

素因数分解:

$2^4\times 5^1\times {\mathrm{362281}}^1$

素因数の和:362294

約数の個数: 20

約数和(自身を含む): 67384452

約数和(自身を除く): 38401972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 362281, 724562, 1449124, 1811405, 2898248, 3622810, 5796496, 7245620, 14491240, 28982480]

約数ペア:

[(1, 28982480), (2, 14491240), (4, 7245620), (5, 5796496), (8, 3622810), (10, 2898248), (16, 1811405), (20, 1449124), (40, 724562), (80, 362281)]