25806220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2861}}^1$

素因数の和:2922

約数の個数: 48

約数和(自身を含む): 60582816

約数和(自身を除く): 34776596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 2861, 4510, 5722, 9020, 11444, 14305, 28610, 31471, 57220, 62942, 117301, 125884, 157355, 234602, 314710, 469204, 586505, 629420, 1173010, 1290311, 2346020, 2580622, 5161244, 6451555, 12903110, 25806220]

約数ペア:

[(1, 25806220), (2, 12903110), (4, 6451555), (5, 5161244), (10, 2580622), (11, 2346020), (20, 1290311), (22, 1173010), (41, 629420), (44, 586505), (55, 469204), (82, 314710), (110, 234602), (164, 157355), (205, 125884), (220, 117301), (410, 62942), (451, 57220), (820, 31471), (902, 28610), (1804, 14305), (2255, 11444), (2861, 9020), (4510, 5722)]