78609680

素因数分解:

$2^4\times 5^1\times {\mathrm{982621}}^1$

素因数の和:982634

約数の個数: 20

約数和(自身を含む): 182767692

約数和(自身を除く): 104158012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 982621, 1965242, 3930484, 4913105, 7860968, 9826210, 15721936, 19652420, 39304840, 78609680]

約数ペア:

[(1, 78609680), (2, 39304840), (4, 19652420), (5, 15721936), (8, 9826210), (10, 7860968), (16, 4913105), (20, 3930484), (40, 1965242), (80, 982621)]