25500020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14011}}^1$

素因数の和:14040

約数の個数: 48

約数和(自身を含む): 65912448

約数和(自身を除く): 40412428

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 14011, 28022, 56044, 70055, 98077, 140110, 182143, 196154, 280220, 364286, 392308, 490385, 728572, 910715, 980770, 1275001, 1821430, 1961540, 2550002, 3642860, 5100004, 6375005, 12750010, 25500020]

約数ペア:

[(1, 25500020), (2, 12750010), (4, 6375005), (5, 5100004), (7, 3642860), (10, 2550002), (13, 1961540), (14, 1821430), (20, 1275001), (26, 980770), (28, 910715), (35, 728572), (52, 490385), (65, 392308), (70, 364286), (91, 280220), (130, 196154), (140, 182143), (182, 140110), (260, 98077), (364, 70055), (455, 56044), (910, 28022), (1820, 14011)]