71110240

素因数分解:

$2^5\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1993}}^1$

素因数の和:2231

約数の個数: 48

約数和(自身を含む): 168835968

約数和(自身を除く): 97725728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 223, 446, 892, 1115, 1784, 1993, 2230, 3568, 3986, 4460, 7136, 7972, 8920, 9965, 15944, 17840, 19930, 31888, 35680, 39860, 63776, 79720, 159440, 318880, 444439, 888878, 1777756, 2222195, 3555512, 4444390, 7111024, 8888780, 14222048, 17777560, 35555120, 71110240]

約数ペア:

[(1, 71110240), (2, 35555120), (4, 17777560), (5, 14222048), (8, 8888780), (10, 7111024), (16, 4444390), (20, 3555512), (32, 2222195), (40, 1777756), (80, 888878), (160, 444439), (223, 318880), (446, 159440), (892, 79720), (1115, 63776), (1784, 39860), (1993, 35680), (2230, 31888), (3568, 19930), (3986, 17840), (4460, 15944), (7136, 9965), (7972, 8920)]