74939560

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{3847}}^1$

素因数の和:4345

約数の個数: 32

約数和(自身を含む): 169004160

約数和(自身を除く): 94064600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3847, 3896, 4870, 7694, 9740, 15388, 19235, 19480, 30776, 38470, 76940, 153880, 1873489, 3746978, 7493956, 9367445, 14987912, 18734890, 37469780, 74939560]

約数ペア:

[(1, 74939560), (2, 37469780), (4, 18734890), (5, 14987912), (8, 9367445), (10, 7493956), (20, 3746978), (40, 1873489), (487, 153880), (974, 76940), (1948, 38470), (2435, 30776), (3847, 19480), (3896, 19235), (4870, 15388), (7694, 9740)]