3219280

素因数分解:

$2^4\times 5^1\times {\mathrm{40241}}^1$

素因数の和:40254

約数の個数: 20

約数和(自身を含む): 7485012

約数和(自身を除く): 4265732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 40241, 80482, 160964, 201205, 321928, 402410, 643856, 804820, 1609640, 3219280]

約数ペア:

[(1, 3219280), (2, 1609640), (4, 804820), (5, 643856), (8, 402410), (10, 321928), (16, 201205), (20, 160964), (40, 80482), (80, 40241)]