56410000

素因数分解:

$2^4\times 5^4\times {\mathrm{5641}}^1$

素因数の和:5669

約数の個数: 50

約数和(自身を含む): 136598462

約数和(自身を除く): 80188462

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 5641, 10000, 11282, 22564, 28205, 45128, 56410, 90256, 112820, 141025, 225640, 282050, 451280, 564100, 705125, 1128200, 1410250, 2256400, 2820500, 3525625, 5641000, 7051250, 11282000, 14102500, 28205000, 56410000]

約数ペア:

[(1, 56410000), (2, 28205000), (4, 14102500), (5, 11282000), (8, 7051250), (10, 5641000), (16, 3525625), (20, 2820500), (25, 2256400), (40, 1410250), (50, 1128200), (80, 705125), (100, 564100), (125, 451280), (200, 282050), (250, 225640), (400, 141025), (500, 112820), (625, 90256), (1000, 56410), (1250, 45128), (2000, 28205), (2500, 22564), (5000, 11282), (5641, 10000)]