499280

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^2$

素因数の和:171

約数の個数: 30

約数和(自身を含む): 1175706

約数和(自身を除く): 676426

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6241, 6320, 12482, 24964, 31205, 49928, 62410, 99856, 124820, 249640, 499280]

約数ペア:

[(1, 499280), (2, 249640), (4, 124820), (5, 99856), (8, 62410), (10, 49928), (16, 31205), (20, 24964), (40, 12482), (79, 6320), (80, 6241), (158, 3160), (316, 1580), (395, 1264), (632, 790)]