47181320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{27431}}^1$

素因数の和:27485

約数の個数: 32

約数和(自身を含む): 108630720

約数和(自身を除く): 61449400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 27431, 54862, 109724, 137155, 219448, 274310, 548620, 1097240, 1179533, 2359066, 4718132, 5897665, 9436264, 11795330, 23590660, 47181320]

約数ペア:

[(1, 47181320), (2, 23590660), (4, 11795330), (5, 9436264), (8, 5897665), (10, 4718132), (20, 2359066), (40, 1179533), (43, 1097240), (86, 548620), (172, 274310), (215, 219448), (344, 137155), (430, 109724), (860, 54862), (1720, 27431)]