51988280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{56509}}^1$

素因数の和:56543

約数の個数: 32

約数和(自身を含む): 122061600

約数和(自身を除く): 70073320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 56509, 113018, 226036, 282545, 452072, 565090, 1130180, 1299707, 2260360, 2599414, 5198828, 6498535, 10397656, 12997070, 25994140, 51988280]

約数ペア:

[(1, 51988280), (2, 25994140), (4, 12997070), (5, 10397656), (8, 6498535), (10, 5198828), (20, 2599414), (23, 2260360), (40, 1299707), (46, 1130180), (92, 565090), (115, 452072), (184, 282545), (230, 226036), (460, 113018), (920, 56509)]