200780425

素因数分解:

$5^2\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{607}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 253769472

約数和(自身を除く): 52989047

約数列:

[1, 5, 25, 101, 131, 505, 607, 655, 2525, 3035, 3275, 13231, 15175, 61307, 66155, 79517, 306535, 330775, 397585, 1532675, 1987925, 8031217, 40156085, 200780425]

約数ペア:

[(1, 200780425), (5, 40156085), (25, 8031217), (101, 1987925), (131, 1532675), (505, 397585), (607, 330775), (655, 306535), (2525, 79517), (3035, 66155), (3275, 61307), (13231, 15175)]