38935120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{277}}^1$

素因数の和:548

約数の個数: 80

約数和(自身を含む): 104243328

約数和(自身を除く): 65308208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 251, 277, 280, 502, 554, 560, 1004, 1108, 1255, 1385, 1757, 1939, 2008, 2216, 2510, 2770, 3514, 3878, 4016, 4432, 5020, 5540, 7028, 7756, 8785, 9695, 10040, 11080, 14056, 15512, 17570, 19390, 20080, 22160, 28112, 31024, 35140, 38780, 69527, 70280, 77560, 139054, 140560, 155120, 278108, 347635, 486689, 556216, 695270, 973378, 1112432, 1390540, 1946756, 2433445, 2781080, 3893512, 4866890, 5562160, 7787024, 9733780, 19467560, 38935120]

約数ペア:

[(1, 38935120), (2, 19467560), (4, 9733780), (5, 7787024), (7, 5562160), (8, 4866890), (10, 3893512), (14, 2781080), (16, 2433445), (20, 1946756), (28, 1390540), (35, 1112432), (40, 973378), (56, 695270), (70, 556216), (80, 486689), (112, 347635), (140, 278108), (251, 155120), (277, 140560), (280, 139054), (502, 77560), (554, 70280), (560, 69527), (1004, 38780), (1108, 35140), (1255, 31024), (1385, 28112), (1757, 22160), (1939, 20080), (2008, 19390), (2216, 17570), (2510, 15512), (2770, 14056), (3514, 11080), (3878, 10040), (4016, 9695), (4432, 8785), (5020, 7756), (5540, 7028)]