80545300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1979}}^1$

素因数の和:2041

約数の個数: 72

約数和(自身を含む): 195924960

約数和(自身を除く): 115379660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 37, 44, 50, 55, 74, 100, 110, 148, 185, 220, 275, 370, 407, 550, 740, 814, 925, 1100, 1628, 1850, 1979, 2035, 3700, 3958, 4070, 7916, 8140, 9895, 10175, 19790, 20350, 21769, 39580, 40700, 43538, 49475, 73223, 87076, 98950, 108845, 146446, 197900, 217690, 292892, 366115, 435380, 544225, 732230, 805453, 1088450, 1464460, 1610906, 1830575, 2176900, 3221812, 3661150, 4027265, 7322300, 8054530, 16109060, 20136325, 40272650, 80545300]

約数ペア:

[(1, 80545300), (2, 40272650), (4, 20136325), (5, 16109060), (10, 8054530), (11, 7322300), (20, 4027265), (22, 3661150), (25, 3221812), (37, 2176900), (44, 1830575), (50, 1610906), (55, 1464460), (74, 1088450), (100, 805453), (110, 732230), (148, 544225), (185, 435380), (220, 366115), (275, 292892), (370, 217690), (407, 197900), (550, 146446), (740, 108845), (814, 98950), (925, 87076), (1100, 73223), (1628, 49475), (1850, 43538), (1979, 40700), (2035, 39580), (3700, 21769), (3958, 20350), (4070, 19790), (7916, 10175), (8140, 9895)]