71679680

素因数分解:

$2^6\times 5^1\times {\mathrm{223999}}^1$

素因数の和:224016

約数の個数: 28

約数和(自身を含む): 170688000

約数和(自身を除く): 99008320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 223999, 447998, 895996, 1119995, 1791992, 2239990, 3583984, 4479980, 7167968, 8959960, 14335936, 17919920, 35839840, 71679680]

約数ペア:

[(1, 71679680), (2, 35839840), (4, 17919920), (5, 14335936), (8, 8959960), (10, 7167968), (16, 4479980), (20, 3583984), (32, 2239990), (40, 1791992), (64, 1119995), (80, 895996), (160, 447998), (320, 223999)]