31008140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67409}}^1$

素因数の和:67441

約数の個数: 24

約数和(自身を含む): 67949280

約数和(自身を除く): 36941140

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 67409, 134818, 269636, 337045, 674090, 1348180, 1550407, 3100814, 6201628, 7752035, 15504070, 31008140]

約数ペア:

[(1, 31008140), (2, 15504070), (4, 7752035), (5, 6201628), (10, 3100814), (20, 1550407), (23, 1348180), (46, 674090), (92, 337045), (115, 269636), (230, 134818), (460, 67409)]