30295280

素因数分解:

$2^4\times 5^1\times {\mathrm{378691}}^1$

素因数の和:378704

約数の個数: 20

約数和(自身を含む): 70436712

約数和(自身を除く): 40141432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 378691, 757382, 1514764, 1893455, 3029528, 3786910, 6059056, 7573820, 15147640, 30295280]

約数ペア:

[(1, 30295280), (2, 15147640), (4, 7573820), (5, 6059056), (8, 3786910), (10, 3029528), (16, 1893455), (20, 1514764), (40, 757382), (80, 378691)]