87066640

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3929}}^1$

素因数の和:4219

約数の個数: 40

約数和(自身を含む): 203212440

約数和(自身を除く): 116145800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 554, 1108, 1385, 2216, 2770, 3929, 4432, 5540, 7858, 11080, 15716, 19645, 22160, 31432, 39290, 62864, 78580, 157160, 314320, 1088333, 2176666, 4353332, 5441665, 8706664, 10883330, 17413328, 21766660, 43533320, 87066640]

約数ペア:

[(1, 87066640), (2, 43533320), (4, 21766660), (5, 17413328), (8, 10883330), (10, 8706664), (16, 5441665), (20, 4353332), (40, 2176666), (80, 1088333), (277, 314320), (554, 157160), (1108, 78580), (1385, 62864), (2216, 39290), (2770, 31432), (3929, 22160), (4432, 19645), (5540, 15716), (7858, 11080)]