16783480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{8563}}^1$

素因数の和:8588

約数の個数: 48

約数和(自身を含む): 43933320

約数和(自身を除く): 27149840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 8563, 17126, 34252, 42815, 59941, 68504, 85630, 119882, 171260, 239764, 299705, 342520, 419587, 479528, 599410, 839174, 1198820, 1678348, 2097935, 2397640, 3356696, 4195870, 8391740, 16783480]

約数ペア:

[(1, 16783480), (2, 8391740), (4, 4195870), (5, 3356696), (7, 2397640), (8, 2097935), (10, 1678348), (14, 1198820), (20, 839174), (28, 599410), (35, 479528), (40, 419587), (49, 342520), (56, 299705), (70, 239764), (98, 171260), (140, 119882), (196, 85630), (245, 68504), (280, 59941), (392, 42815), (490, 34252), (980, 17126), (1960, 8563)]