3862502020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{781883}}^1$

素因数の和:781924

約数の個数: 48

約数和(自身を含む): 9194955840

約数和(自身を除く): 5332453820

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 781883, 1563766, 3127532, 3909415, 7818830, 10164479, 14855777, 15637660, 20328958, 29711554, 40657916, 50822395, 59423108, 74278885, 101644790, 148557770, 193125101, 203289580, 297115540, 386250202, 772500404, 965625505, 1931251010, 3862502020]

約数ペア:

[(1, 3862502020), (2, 1931251010), (4, 965625505), (5, 772500404), (10, 386250202), (13, 297115540), (19, 203289580), (20, 193125101), (26, 148557770), (38, 101644790), (52, 74278885), (65, 59423108), (76, 50822395), (95, 40657916), (130, 29711554), (190, 20328958), (247, 15637660), (260, 14855777), (380, 10164479), (494, 7818830), (988, 3909415), (1235, 3127532), (2470, 1563766), (4940, 781883)]