51999680

素因数分解:

$2^6\times 5^1\times {\mathrm{162499}}^1$

素因数の和:162516

約数の個数: 28

約数和(自身を含む): 123825000

約数和(自身を除く): 71825320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 162499, 324998, 649996, 812495, 1299992, 1624990, 2599984, 3249980, 5199968, 6499960, 10399936, 12999920, 25999840, 51999680]

約数ペア:

[(1, 51999680), (2, 25999840), (4, 12999920), (5, 10399936), (8, 6499960), (10, 5199968), (16, 3249980), (20, 2599984), (32, 1624990), (40, 1299992), (64, 812495), (80, 649996), (160, 324998), (320, 162499)]