2000744720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1923793}}^1$

素因数の和:1923819

約数の個数: 40

約数和(自身を含む): 5009559576

約数和(自身を除く): 3008814856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1923793, 3847586, 7695172, 9618965, 15390344, 19237930, 25009309, 30780688, 38475860, 50018618, 76951720, 100037236, 125046545, 153903440, 200074472, 250093090, 400148944, 500186180, 1000372360, 2000744720]

約数ペア:

[(1, 2000744720), (2, 1000372360), (4, 500186180), (5, 400148944), (8, 250093090), (10, 200074472), (13, 153903440), (16, 125046545), (20, 100037236), (26, 76951720), (40, 50018618), (52, 38475860), (65, 30780688), (80, 25009309), (104, 19237930), (130, 15390344), (208, 9618965), (260, 7695172), (520, 3847586), (1040, 1923793)]