16959440

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{887}}^1$

素因数の和:1139

約数の個数: 40

約数和(自身を含む): 39640320

約数和(自身を除く): 22680880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 887, 956, 1195, 1774, 1912, 2390, 3548, 3824, 4435, 4780, 7096, 8870, 9560, 14192, 17740, 19120, 35480, 70960, 211993, 423986, 847972, 1059965, 1695944, 2119930, 3391888, 4239860, 8479720, 16959440]

約数ペア:

[(1, 16959440), (2, 8479720), (4, 4239860), (5, 3391888), (8, 2119930), (10, 1695944), (16, 1059965), (20, 847972), (40, 423986), (80, 211993), (239, 70960), (478, 35480), (887, 19120), (956, 17740), (1195, 14192), (1774, 9560), (1912, 8870), (2390, 7096), (3548, 4780), (3824, 4435)]