87064525

素因数分解:

$5^2\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:210

約数の個数: 36

約数和(自身を含む): 115672284

約数和(自身を除く): 28607759

約数列:

[1, 5, 25, 29, 41, 101, 145, 205, 505, 725, 841, 1025, 1189, 2525, 2929, 4141, 4205, 5945, 14645, 20705, 21025, 29725, 34481, 73225, 84941, 103525, 120089, 172405, 424705, 600445, 862025, 2123525, 3002225, 3482581, 17412905, 87064525]

約数ペア:

[(1, 87064525), (5, 17412905), (25, 3482581), (29, 3002225), (41, 2123525), (101, 862025), (145, 600445), (205, 424705), (505, 172405), (725, 120089), (841, 103525), (1025, 84941), (1189, 73225), (2525, 34481), (2929, 29725), (4141, 21025), (4205, 20705), (5945, 14645)]