80081876

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 171841320

約数和(自身を除く): 91759444

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 73, 98, 116, 146, 193, 196, 203, 292, 386, 406, 511, 772, 812, 1022, 1351, 1421, 2044, 2117, 2702, 2842, 3577, 4234, 5404, 5597, 5684, 7154, 8468, 9457, 11194, 14089, 14308, 14819, 18914, 22388, 28178, 29638, 37828, 39179, 56356, 59276, 78358, 98623, 103733, 156716, 197246, 207466, 274253, 394492, 408581, 414932, 548506, 690361, 817162, 1097012, 1380722, 1634324, 2761444, 2860067, 5720134, 11440268, 20020469, 40040938, 80081876]

約数ペア:

[(1, 80081876), (2, 40040938), (4, 20020469), (7, 11440268), (14, 5720134), (28, 2860067), (29, 2761444), (49, 1634324), (58, 1380722), (73, 1097012), (98, 817162), (116, 690361), (146, 548506), (193, 414932), (196, 408581), (203, 394492), (292, 274253), (386, 207466), (406, 197246), (511, 156716), (772, 103733), (812, 98623), (1022, 78358), (1351, 59276), (1421, 56356), (2044, 39179), (2117, 37828), (2702, 29638), (2842, 28178), (3577, 22388), (4234, 18914), (5404, 14819), (5597, 14308), (5684, 14089), (7154, 11194), (8468, 9457)]