17679440

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{991}}^1$

素因数の和:1227

約数の個数: 40

約数和(自身を含む): 41330688

約数和(自身を除く): 23651248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 991, 1115, 1784, 1982, 2230, 3568, 3964, 4460, 4955, 7928, 8920, 9910, 15856, 17840, 19820, 39640, 79280, 220993, 441986, 883972, 1104965, 1767944, 2209930, 3535888, 4419860, 8839720, 17679440]

約数ペア:

[(1, 17679440), (2, 8839720), (4, 4419860), (5, 3535888), (8, 2209930), (10, 1767944), (16, 1104965), (20, 883972), (40, 441986), (80, 220993), (223, 79280), (446, 39640), (892, 19820), (991, 17840), (1115, 15856), (1784, 9910), (1982, 8920), (2230, 7928), (3568, 4955), (3964, 4460)]