264128849840

素因数分解:

$2^4\times 5^1\times {\mathrm{3301610623}}^1$

素因数の和:3301610636

約数の個数: 20

約数和(自身を含む): 614099576064

約数和(自身を除く): 349970726224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3301610623, 6603221246, 13206442492, 16508053115, 26412884984, 33016106230, 52825769968, 66032212460, 132064424920, 264128849840]

約数ペア:

[(1, 264128849840), (2, 132064424920), (4, 66032212460), (5, 52825769968), (8, 33016106230), (10, 26412884984), (16, 16508053115), (20, 13206442492), (40, 6603221246), (80, 3301610623)]