28055275

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 36122688

約数和(自身を除く): 8067413

約数列:

[1, 5, 25, 41, 101, 205, 271, 505, 1025, 1355, 2525, 4141, 6775, 11111, 20705, 27371, 55555, 103525, 136855, 277775, 684275, 1122211, 5611055, 28055275]

約数ペア:

[(1, 28055275), (5, 5611055), (25, 1122211), (41, 684275), (101, 277775), (205, 136855), (271, 103525), (505, 55555), (1025, 27371), (1355, 20705), (2525, 11111), (4141, 6775)]