415495280

素因数分解:

$2^4\times 5^1\times {\mathrm{5193691}}^1$

素因数の和:5193704

約数の個数: 20

約数和(自身を含む): 966026712

約数和(自身を除く): 550531432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5193691, 10387382, 20774764, 25968455, 41549528, 51936910, 83099056, 103873820, 207747640, 415495280]

約数ペア:

[(1, 415495280), (2, 207747640), (4, 103873820), (5, 83099056), (8, 51936910), (10, 41549528), (16, 25968455), (20, 20774764), (40, 10387382), (80, 5193691)]