13143500

素因数分解:

$2^2\times 5^3\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 29108352

約数和(自身を除く): 15964852

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 125, 194, 250, 271, 388, 485, 500, 542, 970, 1084, 1355, 1940, 2425, 2710, 4850, 5420, 6775, 9700, 12125, 13550, 24250, 26287, 27100, 33875, 48500, 52574, 67750, 105148, 131435, 135500, 262870, 525740, 657175, 1314350, 2628700, 3285875, 6571750, 13143500]

約数ペア:

[(1, 13143500), (2, 6571750), (4, 3285875), (5, 2628700), (10, 1314350), (20, 657175), (25, 525740), (50, 262870), (97, 135500), (100, 131435), (125, 105148), (194, 67750), (250, 52574), (271, 48500), (388, 33875), (485, 27100), (500, 26287), (542, 24250), (970, 13550), (1084, 12125), (1355, 9700), (1940, 6775), (2425, 5420), (2710, 4850)]