494275280

素因数分解:

$2^4\times 5^1\times {\mathrm{6178441}}^1$

素因数の和:6178454

約数の個数: 20

約数和(自身を含む): 1149190212

約数和(自身を除く): 654914932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6178441, 12356882, 24713764, 30892205, 49427528, 61784410, 98855056, 123568820, 247137640, 494275280]

約数ペア:

[(1, 494275280), (2, 247137640), (4, 123568820), (5, 98855056), (8, 61784410), (10, 49427528), (16, 30892205), (20, 24713764), (40, 12356882), (80, 6178441)]