72217240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{78497}}^1$

素因数の和:78531

約数の個数: 32

約数和(自身を含む): 169555680

約数和(自身を除く): 97338440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 78497, 156994, 313988, 392485, 627976, 784970, 1569940, 1805431, 3139880, 3610862, 7221724, 9027155, 14443448, 18054310, 36108620, 72217240]

約数ペア:

[(1, 72217240), (2, 36108620), (4, 18054310), (5, 14443448), (8, 9027155), (10, 7221724), (20, 3610862), (23, 3139880), (40, 1805431), (46, 1569940), (92, 784970), (115, 627976), (184, 392485), (230, 313988), (460, 156994), (920, 78497)]