78157925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9679}}^1$

素因数の和:9725

約数の個数: 24

約数和(自身を含む): 108028800

約数和(自身を除く): 29870875

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 8075, 9679, 48395, 164543, 183901, 241975, 822715, 919505, 3126317, 4113575, 4597525, 15631585, 78157925]

約数ペア:

[(1, 78157925), (5, 15631585), (17, 4597525), (19, 4113575), (25, 3126317), (85, 919505), (95, 822715), (323, 241975), (425, 183901), (475, 164543), (1615, 48395), (8075, 9679)]