54319520

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1321}}^1$

素因数の和:1593

約数の個数: 48

約数和(自身を含む): 128926728

約数和(自身を除く): 74607208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 514, 1028, 1285, 1321, 2056, 2570, 2642, 4112, 5140, 5284, 6605, 8224, 10280, 10568, 13210, 20560, 21136, 26420, 41120, 42272, 52840, 105680, 211360, 339497, 678994, 1357988, 1697485, 2715976, 3394970, 5431952, 6789940, 10863904, 13579880, 27159760, 54319520]

約数ペア:

[(1, 54319520), (2, 27159760), (4, 13579880), (5, 10863904), (8, 6789940), (10, 5431952), (16, 3394970), (20, 2715976), (32, 1697485), (40, 1357988), (80, 678994), (160, 339497), (257, 211360), (514, 105680), (1028, 52840), (1285, 42272), (1321, 41120), (2056, 26420), (2570, 21136), (2642, 20560), (4112, 13210), (5140, 10568), (5284, 10280), (6605, 8224)]