120915275

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{28619}}^1$

素因数の和:28655

約数の個数: 18

約数和(自身を含む): 162361260

約数和(自身を除く): 41445985

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 28619, 143095, 372047, 715475, 1860235, 4836611, 9301175, 24183055, 120915275]

約数ペア:

[(1, 120915275), (5, 24183055), (13, 9301175), (25, 4836611), (65, 1860235), (169, 715475), (325, 372047), (845, 143095), (4225, 28619)]