71206280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{41399}}^1$

素因数の和:41453

約数の個数: 32

約数和(自身を含む): 163944000

約数和(自身を除く): 92737720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 41399, 82798, 165596, 206995, 331192, 413990, 827980, 1655960, 1780157, 3560314, 7120628, 8900785, 14241256, 17801570, 35603140, 71206280]

約数ペア:

[(1, 71206280), (2, 35603140), (4, 17801570), (5, 14241256), (8, 8900785), (10, 7120628), (20, 3560314), (40, 1780157), (43, 1655960), (86, 827980), (172, 413990), (215, 331192), (344, 206995), (430, 165596), (860, 82798), (1720, 41399)]