640441488

素因数分解:

$2^4\times 3^1\times {\mathrm{13342531}}^1$

素因数の和:13342542

約数の個数: 20

約数和(自身を含む): 1654473968

約数和(自身を除く): 1014032480

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13342531, 26685062, 40027593, 53370124, 80055186, 106740248, 160110372, 213480496, 320220744, 640441488]

約数ペア:

[(1, 640441488), (2, 320220744), (3, 213480496), (4, 160110372), (6, 106740248), (8, 80055186), (12, 53370124), (16, 40027593), (24, 26685062), (48, 13342531)]