51213100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{12491}}^1$

素因数の和:12546

約数の個数: 36

約数和(自身を含む): 113852088

約数和(自身を除く): 62638988

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 12491, 24982, 49964, 62455, 124910, 249820, 312275, 512131, 624550, 1024262, 1249100, 2048524, 2560655, 5121310, 10242620, 12803275, 25606550, 51213100]

約数ペア:

[(1, 51213100), (2, 25606550), (4, 12803275), (5, 10242620), (10, 5121310), (20, 2560655), (25, 2048524), (41, 1249100), (50, 1024262), (82, 624550), (100, 512131), (164, 312275), (205, 249820), (410, 124910), (820, 62455), (1025, 49964), (2050, 24982), (4100, 12491)]