38902640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{547}}^1$

素因数の和:694

約数の個数: 80

約数和(自身を含む): 104374272

約数和(自身を除く): 65471632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 547, 560, 635, 889, 1016, 1094, 1270, 1778, 2032, 2188, 2540, 2735, 3556, 3829, 4376, 4445, 5080, 5470, 7112, 7658, 8752, 8890, 10160, 10940, 14224, 15316, 17780, 19145, 21880, 30632, 35560, 38290, 43760, 61264, 69469, 71120, 76580, 138938, 153160, 277876, 306320, 347345, 486283, 555752, 694690, 972566, 1111504, 1389380, 1945132, 2431415, 2778760, 3890264, 4862830, 5557520, 7780528, 9725660, 19451320, 38902640]

約数ペア:

[(1, 38902640), (2, 19451320), (4, 9725660), (5, 7780528), (7, 5557520), (8, 4862830), (10, 3890264), (14, 2778760), (16, 2431415), (20, 1945132), (28, 1389380), (35, 1111504), (40, 972566), (56, 694690), (70, 555752), (80, 486283), (112, 347345), (127, 306320), (140, 277876), (254, 153160), (280, 138938), (508, 76580), (547, 71120), (560, 69469), (635, 61264), (889, 43760), (1016, 38290), (1094, 35560), (1270, 30632), (1778, 21880), (2032, 19145), (2188, 17780), (2540, 15316), (2735, 14224), (3556, 10940), (3829, 10160), (4376, 8890), (4445, 8752), (5080, 7658), (5470, 7112)]