27677980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1297}}^1$

素因数の和:1414

約数の個数: 48

約数和(自身を含む): 64110816

約数和(自身を除く): 36432836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1297, 1940, 2134, 2594, 4268, 5188, 5335, 6485, 10670, 12970, 14267, 21340, 25940, 28534, 57068, 71335, 125809, 142670, 251618, 285340, 503236, 629045, 1258090, 1383899, 2516180, 2767798, 5535596, 6919495, 13838990, 27677980]

約数ペア:

[(1, 27677980), (2, 13838990), (4, 6919495), (5, 5535596), (10, 2767798), (11, 2516180), (20, 1383899), (22, 1258090), (44, 629045), (55, 503236), (97, 285340), (110, 251618), (194, 142670), (220, 125809), (388, 71335), (485, 57068), (970, 28534), (1067, 25940), (1297, 21340), (1940, 14267), (2134, 12970), (2594, 10670), (4268, 6485), (5188, 5335)]