65676040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71387}}^1$

素因数の和:71421

約数の個数: 32

約数和(自身を含む): 154198080

約数和(自身を除く): 88522040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 71387, 142774, 285548, 356935, 571096, 713870, 1427740, 1641901, 2855480, 3283802, 6567604, 8209505, 13135208, 16419010, 32838020, 65676040]

約数ペア:

[(1, 65676040), (2, 32838020), (4, 16419010), (5, 13135208), (8, 8209505), (10, 6567604), (20, 3283802), (23, 2855480), (40, 1641901), (46, 1427740), (92, 713870), (115, 571096), (184, 356935), (230, 285548), (460, 142774), (920, 71387)]