205744160

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67679}}^1$

素因数の和:67713

約数の個数: 48

約数和(自身を含む): 511660800

約数和(自身を除く): 305916640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 67679, 135358, 270716, 338395, 541432, 676790, 1082864, 1285901, 1353580, 2165728, 2571802, 2707160, 5143604, 5414320, 6429505, 10287208, 10828640, 12859010, 20574416, 25718020, 41148832, 51436040, 102872080, 205744160]

約数ペア:

[(1, 205744160), (2, 102872080), (4, 51436040), (5, 41148832), (8, 25718020), (10, 20574416), (16, 12859010), (19, 10828640), (20, 10287208), (32, 6429505), (38, 5414320), (40, 5143604), (76, 2707160), (80, 2571802), (95, 2165728), (152, 1353580), (160, 1285901), (190, 1082864), (304, 676790), (380, 541432), (608, 338395), (760, 270716), (1520, 135358), (3040, 67679)]