2039247280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{77479}}^1$

素因数の和:77546

約数の個数: 80

約数和(自身を含む): 5533931520

約数和(自身を除く): 3494684240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2632, 3290, 3760, 5264, 6580, 13160, 26320, 77479, 154958, 309916, 387395, 542353, 619832, 774790, 1084706, 1239664, 1549580, 2169412, 2711765, 3099160, 3641513, 4338824, 5423530, 6198320, 7283026, 8677648, 10847060, 14566052, 18207565, 21694120, 25490591, 29132104, 36415130, 43388240, 50981182, 58264208, 72830260, 101962364, 127452955, 145660520, 203924728, 254905910, 291321040, 407849456, 509811820, 1019623640, 2039247280]

約数ペア:

[(1, 2039247280), (2, 1019623640), (4, 509811820), (5, 407849456), (7, 291321040), (8, 254905910), (10, 203924728), (14, 145660520), (16, 127452955), (20, 101962364), (28, 72830260), (35, 58264208), (40, 50981182), (47, 43388240), (56, 36415130), (70, 29132104), (80, 25490591), (94, 21694120), (112, 18207565), (140, 14566052), (188, 10847060), (235, 8677648), (280, 7283026), (329, 6198320), (376, 5423530), (470, 4338824), (560, 3641513), (658, 3099160), (752, 2711765), (940, 2169412), (1316, 1549580), (1645, 1239664), (1880, 1084706), (2632, 774790), (3290, 619832), (3760, 542353), (5264, 387395), (6580, 309916), (13160, 154958), (26320, 77479)]