38540540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 83498688

約数和(自身を除く): 44958148

約数列:

[1, 2, 4, 5, 10, 20, 53, 103, 106, 206, 212, 265, 353, 412, 515, 530, 706, 1030, 1060, 1412, 1765, 2060, 3530, 5459, 7060, 10918, 18709, 21836, 27295, 36359, 37418, 54590, 72718, 74836, 93545, 109180, 145436, 181795, 187090, 363590, 374180, 727180, 1927027, 3854054, 7708108, 9635135, 19270270, 38540540]

約数ペア:

[(1, 38540540), (2, 19270270), (4, 9635135), (5, 7708108), (10, 3854054), (20, 1927027), (53, 727180), (103, 374180), (106, 363590), (206, 187090), (212, 181795), (265, 145436), (353, 109180), (412, 93545), (515, 74836), (530, 72718), (706, 54590), (1030, 37418), (1060, 36359), (1412, 27295), (1765, 21836), (2060, 18709), (3530, 10918), (5459, 7060)]