11178160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19961}}^1$

素因数の和:19981

約数の個数: 40

約数和(自身を含む): 29703456

約数和(自身を除く): 18525296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 19961, 39922, 79844, 99805, 139727, 159688, 199610, 279454, 319376, 399220, 558908, 698635, 798440, 1117816, 1397270, 1596880, 2235632, 2794540, 5589080, 11178160]

約数ペア:

[(1, 11178160), (2, 5589080), (4, 2794540), (5, 2235632), (7, 1596880), (8, 1397270), (10, 1117816), (14, 798440), (16, 698635), (20, 558908), (28, 399220), (35, 319376), (40, 279454), (56, 199610), (70, 159688), (80, 139727), (112, 99805), (140, 79844), (280, 39922), (560, 19961)]