25375280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:534

約数の個数: 80

約数和(自身を含む): 68192064

約数和(自身を除く): 42816784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 113, 140, 226, 280, 401, 452, 560, 565, 791, 802, 904, 1130, 1582, 1604, 1808, 2005, 2260, 2807, 3164, 3208, 3955, 4010, 4520, 5614, 6328, 6416, 7910, 8020, 9040, 11228, 12656, 14035, 15820, 16040, 22456, 28070, 31640, 32080, 44912, 45313, 56140, 63280, 90626, 112280, 181252, 224560, 226565, 317191, 362504, 453130, 634382, 725008, 906260, 1268764, 1585955, 1812520, 2537528, 3171910, 3625040, 5075056, 6343820, 12687640, 25375280]

約数ペア:

[(1, 25375280), (2, 12687640), (4, 6343820), (5, 5075056), (7, 3625040), (8, 3171910), (10, 2537528), (14, 1812520), (16, 1585955), (20, 1268764), (28, 906260), (35, 725008), (40, 634382), (56, 453130), (70, 362504), (80, 317191), (112, 226565), (113, 224560), (140, 181252), (226, 112280), (280, 90626), (401, 63280), (452, 56140), (560, 45313), (565, 44912), (791, 32080), (802, 31640), (904, 28070), (1130, 22456), (1582, 16040), (1604, 15820), (1808, 14035), (2005, 12656), (2260, 11228), (2807, 9040), (3164, 8020), (3208, 7910), (3955, 6416), (4010, 6328), (4520, 5614)]