70819520

素因数分解:

$2^6\times 5^1\times {\mathrm{221311}}^1$

素因数の和:221328

約数の個数: 28

約数和(自身を含む): 168639744

約数和(自身を除く): 97820224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 221311, 442622, 885244, 1106555, 1770488, 2213110, 3540976, 4426220, 7081952, 8852440, 14163904, 17704880, 35409760, 70819520]

約数ペア:

[(1, 70819520), (2, 35409760), (4, 17704880), (5, 14163904), (8, 8852440), (10, 7081952), (16, 4426220), (20, 3540976), (32, 2213110), (40, 1770488), (64, 1106555), (80, 885244), (160, 442622), (320, 221311)]