2008240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1931}}^1$

素因数の和:1957

約数の個数: 40

約数和(自身を含む): 5030928

約数和(自身を除く): 3022688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1931, 3862, 7724, 9655, 15448, 19310, 25103, 30896, 38620, 50206, 77240, 100412, 125515, 154480, 200824, 251030, 401648, 502060, 1004120, 2008240]

約数ペア:

[(1, 2008240), (2, 1004120), (4, 502060), (5, 401648), (8, 251030), (10, 200824), (13, 154480), (16, 125515), (20, 100412), (26, 77240), (40, 50206), (52, 38620), (65, 30896), (80, 25103), (104, 19310), (130, 15448), (208, 9655), (260, 7724), (520, 3862), (1040, 1931)]