81158200

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{9437}}^1$

素因数の和:9496

約数の個数: 48

約数和(自身を含む): 193101480

約数和(自身を除く): 111943280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 4300, 8600, 9437, 18874, 37748, 47185, 75496, 94370, 188740, 235925, 377480, 405791, 471850, 811582, 943700, 1623164, 1887400, 2028955, 3246328, 4057910, 8115820, 10144775, 16231640, 20289550, 40579100, 81158200]

約数ペア:

[(1, 81158200), (2, 40579100), (4, 20289550), (5, 16231640), (8, 10144775), (10, 8115820), (20, 4057910), (25, 3246328), (40, 2028955), (43, 1887400), (50, 1623164), (86, 943700), (100, 811582), (172, 471850), (200, 405791), (215, 377480), (344, 235925), (430, 188740), (860, 94370), (1075, 75496), (1720, 47185), (2150, 37748), (4300, 18874), (8600, 9437)]