71426840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{37993}}^1$

素因数の和:38051

約数の個数: 32

約数和(自身を含む): 164134080

約数和(自身を除く): 92707240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 37993, 75986, 151972, 189965, 303944, 379930, 759860, 1519720, 1785671, 3571342, 7142684, 8928355, 14285368, 17856710, 35713420, 71426840]

約数ペア:

[(1, 71426840), (2, 35713420), (4, 17856710), (5, 14285368), (8, 8928355), (10, 7142684), (20, 3571342), (40, 1785671), (47, 1519720), (94, 759860), (188, 379930), (235, 303944), (376, 189965), (470, 151972), (940, 75986), (1880, 37993)]