25640424200

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{3126881}}^1$

素因数の和:3126938

約数の個数: 48

約数和(自身を含む): 61068005460

約数和(自身を除く): 35427581260

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 4100, 8200, 3126881, 6253762, 12507524, 15634405, 25015048, 31268810, 62537620, 78172025, 125075240, 128202121, 156344050, 256404242, 312688100, 512808484, 625376200, 641010605, 1025616968, 1282021210, 2564042420, 3205053025, 5128084840, 6410106050, 12820212100, 25640424200]

約数ペア:

[(1, 25640424200), (2, 12820212100), (4, 6410106050), (5, 5128084840), (8, 3205053025), (10, 2564042420), (20, 1282021210), (25, 1025616968), (40, 641010605), (41, 625376200), (50, 512808484), (82, 312688100), (100, 256404242), (164, 156344050), (200, 128202121), (205, 125075240), (328, 78172025), (410, 62537620), (820, 31268810), (1025, 25015048), (1640, 15634405), (2050, 12507524), (4100, 6253762), (8200, 3126881)]