387613640

素因数分解:

$2^3\times 5^1\times {\mathrm{9690341}}^1$

素因数の和:9690352

約数の個数: 16

約数和(自身を含む): 872130780

約数和(自身を除く): 484517140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9690341, 19380682, 38761364, 48451705, 77522728, 96903410, 193806820, 387613640]

約数ペア:

[(1, 387613640), (2, 193806820), (4, 96903410), (5, 77522728), (8, 48451705), (10, 38761364), (20, 19380682), (40, 9690341)]