2570500

素因数分解:

$2^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:169

約数の個数: 48

約数和(自身を含む): 5778864

約数和(自身を除く): 3208364

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 97, 100, 106, 125, 194, 212, 250, 265, 388, 485, 500, 530, 970, 1060, 1325, 1940, 2425, 2650, 4850, 5141, 5300, 6625, 9700, 10282, 12125, 13250, 20564, 24250, 25705, 26500, 48500, 51410, 102820, 128525, 257050, 514100, 642625, 1285250, 2570500]

約数ペア:

[(1, 2570500), (2, 1285250), (4, 642625), (5, 514100), (10, 257050), (20, 128525), (25, 102820), (50, 51410), (53, 48500), (97, 26500), (100, 25705), (106, 24250), (125, 20564), (194, 13250), (212, 12125), (250, 10282), (265, 9700), (388, 6625), (485, 5300), (500, 5141), (530, 4850), (970, 2650), (1060, 2425), (1325, 1940)]