28491640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37489}}^1$

素因数の和:37519

約数の個数: 32

約数和(自身を含む): 67482000

約数和(自身を除く): 38990360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 37489, 74978, 149956, 187445, 299912, 374890, 712291, 749780, 1424582, 1499560, 2849164, 3561455, 5698328, 7122910, 14245820, 28491640]

約数ペア:

[(1, 28491640), (2, 14245820), (4, 7122910), (5, 5698328), (8, 3561455), (10, 2849164), (19, 1499560), (20, 1424582), (38, 749780), (40, 712291), (76, 374890), (95, 299912), (152, 187445), (190, 149956), (380, 74978), (760, 37489)]