28540100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{6961}}^1$

素因数の和:7016

約数の個数: 36

約数和(自身を含む): 63451668

約数和(自身を除く): 34911568

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 6961, 13922, 27844, 34805, 69610, 139220, 174025, 285401, 348050, 570802, 696100, 1141604, 1427005, 2854010, 5708020, 7135025, 14270050, 28540100]

約数ペア:

[(1, 28540100), (2, 14270050), (4, 7135025), (5, 5708020), (10, 2854010), (20, 1427005), (25, 1141604), (41, 696100), (50, 570802), (82, 348050), (100, 285401), (164, 174025), (205, 139220), (410, 69610), (820, 34805), (1025, 27844), (2050, 13922), (4100, 6961)]