80451472

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{264643}}^1$

素因数の和:264670

約数の個数: 20

約数和(自身を含む): 164079280

約数和(自身を除く): 83627808

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 264643, 529286, 1058572, 2117144, 4234288, 5028217, 10056434, 20112868, 40225736, 80451472]

約数ペア:

[(1, 80451472), (2, 40225736), (4, 20112868), (8, 10056434), (16, 5028217), (19, 4234288), (38, 2117144), (76, 1058572), (152, 529286), (304, 264643)]