69537640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 162162000

約数和(自身を除く): 92624360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 109, 164, 205, 218, 328, 389, 410, 436, 545, 778, 820, 872, 1090, 1556, 1640, 1945, 2180, 3112, 3890, 4360, 4469, 7780, 8938, 15560, 15949, 17876, 22345, 31898, 35752, 42401, 44690, 63796, 79745, 84802, 89380, 127592, 159490, 169604, 178760, 212005, 318980, 339208, 424010, 637960, 848020, 1696040, 1738441, 3476882, 6953764, 8692205, 13907528, 17384410, 34768820, 69537640]

約数ペア:

[(1, 69537640), (2, 34768820), (4, 17384410), (5, 13907528), (8, 8692205), (10, 6953764), (20, 3476882), (40, 1738441), (41, 1696040), (82, 848020), (109, 637960), (164, 424010), (205, 339208), (218, 318980), (328, 212005), (389, 178760), (410, 169604), (436, 159490), (545, 127592), (778, 89380), (820, 84802), (872, 79745), (1090, 63796), (1556, 44690), (1640, 42401), (1945, 35752), (2180, 31898), (3112, 22345), (3890, 17876), (4360, 15949), (4469, 15560), (7780, 8938)]