40968020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1063}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 90091008

約数和(自身を除く): 49122988

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 820, 940, 1063, 1927, 2126, 3854, 4252, 5315, 7708, 9635, 10630, 19270, 21260, 38540, 43583, 49961, 87166, 99922, 174332, 199844, 217915, 249805, 435830, 499610, 871660, 999220, 2048401, 4096802, 8193604, 10242005, 20484010, 40968020]

約数ペア:

[(1, 40968020), (2, 20484010), (4, 10242005), (5, 8193604), (10, 4096802), (20, 2048401), (41, 999220), (47, 871660), (82, 499610), (94, 435830), (164, 249805), (188, 217915), (205, 199844), (235, 174332), (410, 99922), (470, 87166), (820, 49961), (940, 43583), (1063, 38540), (1927, 21260), (2126, 19270), (3854, 10630), (4252, 9635), (5315, 7708)]