889013080

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{92993}}^1$

素因数の和:93243

約数の個数: 32

約数和(自身を含む): 2008670400

約数和(自身を除く): 1119657320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 92993, 185986, 371972, 464965, 743944, 929930, 1859860, 3719720, 22225327, 44450654, 88901308, 111126635, 177802616, 222253270, 444506540, 889013080]

約数ペア:

[(1, 889013080), (2, 444506540), (4, 222253270), (5, 177802616), (8, 111126635), (10, 88901308), (20, 44450654), (40, 22225327), (239, 3719720), (478, 1859860), (956, 929930), (1195, 743944), (1912, 464965), (2390, 371972), (4780, 185986), (9560, 92993)]