16403845250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{25621}}^1$

素因数の和:25848

約数の個数: 64

約数和(自身を含む): 33239318112

約数和(自身を除く): 16835472862

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 197, 250, 325, 394, 650, 985, 1625, 1970, 2561, 3250, 4925, 5122, 9850, 12805, 24625, 25610, 25621, 49250, 51242, 64025, 128050, 128105, 256210, 320125, 333073, 640250, 640525, 666146, 1281050, 1665365, 3202625, 3330730, 5047337, 6405250, 8326825, 10094674, 16653650, 25236685, 41634125, 50473370, 65615381, 83268250, 126183425, 131230762, 252366850, 328076905, 630917125, 656153810, 1261834250, 1640384525, 3280769050, 8201922625, 16403845250]

約数ペア:

[(1, 16403845250), (2, 8201922625), (5, 3280769050), (10, 1640384525), (13, 1261834250), (25, 656153810), (26, 630917125), (50, 328076905), (65, 252366850), (125, 131230762), (130, 126183425), (197, 83268250), (250, 65615381), (325, 50473370), (394, 41634125), (650, 25236685), (985, 16653650), (1625, 10094674), (1970, 8326825), (2561, 6405250), (3250, 5047337), (4925, 3330730), (5122, 3202625), (9850, 1665365), (12805, 1281050), (24625, 666146), (25610, 640525), (25621, 640250), (49250, 333073), (51242, 320125), (64025, 256210), (128050, 128105)]