38921960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12637}}^1$

素因数の和:12666

約数の個数: 64

約数和(自身を含む): 109192320

約数和(自身を除く): 70270360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 12637, 25274, 50548, 63185, 88459, 101096, 126370, 139007, 176918, 252740, 278014, 353836, 442295, 505480, 556028, 695035, 707672, 884590, 973049, 1112056, 1390070, 1769180, 1946098, 2780140, 3538360, 3892196, 4865245, 5560280, 7784392, 9730490, 19460980, 38921960]

約数ペア:

[(1, 38921960), (2, 19460980), (4, 9730490), (5, 7784392), (7, 5560280), (8, 4865245), (10, 3892196), (11, 3538360), (14, 2780140), (20, 1946098), (22, 1769180), (28, 1390070), (35, 1112056), (40, 973049), (44, 884590), (55, 707672), (56, 695035), (70, 556028), (77, 505480), (88, 442295), (110, 353836), (140, 278014), (154, 252740), (220, 176918), (280, 139007), (308, 126370), (385, 101096), (440, 88459), (616, 63185), (770, 50548), (1540, 25274), (3080, 12637)]