39840775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7211}}^1$

素因数の和:7251

約数の個数: 24

約数和(自身を含む): 56340144

約数和(自身を除く): 16499369

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 7211, 36055, 93743, 122587, 180275, 468715, 612935, 1593631, 2343575, 3064675, 7968155, 39840775]

約数ペア:

[(1, 39840775), (5, 7968155), (13, 3064675), (17, 2343575), (25, 1593631), (65, 612935), (85, 468715), (221, 180275), (325, 122587), (425, 93743), (1105, 36055), (5525, 7211)]