80872465

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1\times {\mathrm{739}}^1$

素因数の和:1296

約数の個数: 16

約数和(自身を含む): 99633600

約数和(自身を除く): 18761135

約数列:

[1, 5, 43, 215, 509, 739, 2545, 3695, 21887, 31777, 109435, 158885, 376151, 1880755, 16174493, 80872465]

約数ペア:

[(1, 80872465), (5, 16174493), (43, 1880755), (215, 376151), (509, 158885), (739, 109435), (2545, 31777), (3695, 21887)]