66697240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{72497}}^1$

素因数の和:72531

約数の個数: 32

約数和(自身を含む): 156595680

約数和(自身を除く): 89898440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 72497, 144994, 289988, 362485, 579976, 724970, 1449940, 1667431, 2899880, 3334862, 6669724, 8337155, 13339448, 16674310, 33348620, 66697240]

約数ペア:

[(1, 66697240), (2, 33348620), (4, 16674310), (5, 13339448), (8, 8337155), (10, 6669724), (20, 3334862), (23, 2899880), (40, 1667431), (46, 1449940), (92, 724970), (115, 579976), (184, 362485), (230, 289988), (460, 144994), (920, 72497)]