78932540

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{28393}}^1$

素因数の和:28541

約数の個数: 24

約数和(自身を含む): 166956720

約数和(自身を除く): 88024180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 28393, 56786, 113572, 141965, 283930, 567860, 3946627, 7893254, 15786508, 19733135, 39466270, 78932540]

約数ペア:

[(1, 78932540), (2, 39466270), (4, 19733135), (5, 15786508), (10, 7893254), (20, 3946627), (139, 567860), (278, 283930), (556, 141965), (695, 113572), (1390, 56786), (2780, 28393)]