640061256

素因数分解:

$2^3\times 3^1\times {\mathrm{26669219}}^1$

素因数の和:26669228

約数の個数: 16

約数和(自身を含む): 1600153200

約数和(自身を除く): 960091944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 26669219, 53338438, 80007657, 106676876, 160015314, 213353752, 320030628, 640061256]

約数ペア:

[(1, 640061256), (2, 320030628), (3, 213353752), (4, 160015314), (6, 106676876), (8, 80007657), (12, 53338438), (24, 26669219)]