66102500

素因数分解:

$2^2\times 5^4\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:354

約数の個数: 60

約数和(自身を含む): 146362524

約数和(自身を除く): 80260024

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 137, 193, 250, 274, 386, 500, 548, 625, 685, 772, 965, 1250, 1370, 1930, 2500, 2740, 3425, 3860, 4825, 6850, 9650, 13700, 17125, 19300, 24125, 26441, 34250, 48250, 52882, 68500, 85625, 96500, 105764, 120625, 132205, 171250, 241250, 264410, 342500, 482500, 528820, 661025, 1322050, 2644100, 3305125, 6610250, 13220500, 16525625, 33051250, 66102500]

約数ペア:

[(1, 66102500), (2, 33051250), (4, 16525625), (5, 13220500), (10, 6610250), (20, 3305125), (25, 2644100), (50, 1322050), (100, 661025), (125, 528820), (137, 482500), (193, 342500), (250, 264410), (274, 241250), (386, 171250), (500, 132205), (548, 120625), (625, 105764), (685, 96500), (772, 85625), (965, 68500), (1250, 52882), (1370, 48250), (1930, 34250), (2500, 26441), (2740, 24125), (3425, 19300), (3860, 17125), (4825, 13700), (6850, 9650)]