28132280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3761}}^1$

素因数の和:3800

約数の個数: 64

約数和(自身を含む): 73133280

約数和(自身を除く): 45001000

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 3761, 7480, 7522, 15044, 18805, 30088, 37610, 41371, 63937, 75220, 82742, 127874, 150440, 165484, 206855, 255748, 319685, 330968, 413710, 511496, 639370, 703307, 827420, 1278740, 1406614, 1654840, 2557480, 2813228, 3516535, 5626456, 7033070, 14066140, 28132280]

約数ペア:

[(1, 28132280), (2, 14066140), (4, 7033070), (5, 5626456), (8, 3516535), (10, 2813228), (11, 2557480), (17, 1654840), (20, 1406614), (22, 1278740), (34, 827420), (40, 703307), (44, 639370), (55, 511496), (68, 413710), (85, 330968), (88, 319685), (110, 255748), (136, 206855), (170, 165484), (187, 150440), (220, 127874), (340, 82742), (374, 75220), (440, 63937), (680, 41371), (748, 37610), (935, 30088), (1496, 18805), (1870, 15044), (3740, 7522), (3761, 7480)]