7642960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7349}}^1$

素因数の和:7375

約数の個数: 40

約数和(自身を含む): 19139400

約数和(自身を除く): 11496440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7349, 14698, 29396, 36745, 58792, 73490, 95537, 117584, 146980, 191074, 293960, 382148, 477685, 587920, 764296, 955370, 1528592, 1910740, 3821480, 7642960]

約数ペア:

[(1, 7642960), (2, 3821480), (4, 1910740), (5, 1528592), (8, 955370), (10, 764296), (13, 587920), (16, 477685), (20, 382148), (26, 293960), (40, 191074), (52, 146980), (65, 117584), (80, 95537), (104, 73490), (130, 58792), (208, 36745), (260, 29396), (520, 14698), (1040, 7349)]