40842020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4673}}^1$

素因数の和:4724

約数の個数: 48

約数和(自身を含む): 94227840

約数和(自身を除く): 53385820

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 4673, 8740, 9346, 18692, 23365, 46730, 88787, 93460, 107479, 177574, 214958, 355148, 429916, 443935, 537395, 887870, 1074790, 1775740, 2042101, 2149580, 4084202, 8168404, 10210505, 20421010, 40842020]

約数ペア:

[(1, 40842020), (2, 20421010), (4, 10210505), (5, 8168404), (10, 4084202), (19, 2149580), (20, 2042101), (23, 1775740), (38, 1074790), (46, 887870), (76, 537395), (92, 443935), (95, 429916), (115, 355148), (190, 214958), (230, 177574), (380, 107479), (437, 93460), (460, 88787), (874, 46730), (1748, 23365), (2185, 18692), (4370, 9346), (4673, 8740)]