1820680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1979}}^1$

素因数の和:2013

約数の個数: 32

約数和(自身を含む): 4276800

約数和(自身を除く): 2456120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 1979, 3958, 7916, 9895, 15832, 19790, 39580, 45517, 79160, 91034, 182068, 227585, 364136, 455170, 910340, 1820680]

約数ペア:

[(1, 1820680), (2, 910340), (4, 455170), (5, 364136), (8, 227585), (10, 182068), (20, 91034), (23, 79160), (40, 45517), (46, 39580), (92, 19790), (115, 15832), (184, 9895), (230, 7916), (460, 3958), (920, 1979)]