25437500

素因数分解:

$2^2\times 5^6\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:82

約数の個数: 84

約数和(自身を含む): 62342952

約数和(自身を除く): 36905452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 37, 44, 50, 55, 74, 100, 110, 125, 148, 185, 220, 250, 275, 370, 407, 500, 550, 625, 740, 814, 925, 1100, 1250, 1375, 1628, 1850, 2035, 2500, 2750, 3125, 3700, 4070, 4625, 5500, 6250, 6875, 8140, 9250, 10175, 12500, 13750, 15625, 18500, 20350, 23125, 27500, 31250, 34375, 40700, 46250, 50875, 62500, 68750, 92500, 101750, 115625, 137500, 171875, 203500, 231250, 254375, 343750, 462500, 508750, 578125, 687500, 1017500, 1156250, 1271875, 2312500, 2543750, 5087500, 6359375, 12718750, 25437500]

約数ペア:

[(1, 25437500), (2, 12718750), (4, 6359375), (5, 5087500), (10, 2543750), (11, 2312500), (20, 1271875), (22, 1156250), (25, 1017500), (37, 687500), (44, 578125), (50, 508750), (55, 462500), (74, 343750), (100, 254375), (110, 231250), (125, 203500), (148, 171875), (185, 137500), (220, 115625), (250, 101750), (275, 92500), (370, 68750), (407, 62500), (500, 50875), (550, 46250), (625, 40700), (740, 34375), (814, 31250), (925, 27500), (1100, 23125), (1250, 20350), (1375, 18500), (1628, 15625), (1850, 13750), (2035, 12500), (2500, 10175), (2750, 9250), (3125, 8140), (3700, 6875), (4070, 6250), (4625, 5500)]