77888320

素因数分解:

$2^6\times 5^1\times {\mathrm{243401}}^1$

素因数の和:243418

約数の個数: 28

約数和(自身を含む): 185472324

約数和(自身を除く): 107584004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 243401, 486802, 973604, 1217005, 1947208, 2434010, 3894416, 4868020, 7788832, 9736040, 15577664, 19472080, 38944160, 77888320]

約数ペア:

[(1, 77888320), (2, 38944160), (4, 19472080), (5, 15577664), (8, 9736040), (10, 7788832), (16, 4868020), (20, 3894416), (32, 2434010), (40, 1947208), (64, 1217005), (80, 973604), (160, 486802), (320, 243401)]