81104260

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{39371}}^1$

素因数の和:39483

約数の個数: 24

約数和(自身を含む): 171976896

約数和(自身を除く): 90872636

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 39371, 78742, 157484, 196855, 393710, 787420, 4055213, 8110426, 16220852, 20276065, 40552130, 81104260]

約数ペア:

[(1, 81104260), (2, 40552130), (4, 20276065), (5, 16220852), (10, 8110426), (20, 4055213), (103, 787420), (206, 393710), (412, 196855), (515, 157484), (1030, 78742), (2060, 39371)]