2821473520

素因数分解:

$2^4\times 5^1\times {\mathrm{8521}}^1\times {\mathrm{4139}}^1$

素因数の和:12673

約数の個数: 40

約数和(自身を含む): 6562280880

約数和(自身を除く): 3740807360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4139, 8278, 8521, 16556, 17042, 20695, 33112, 34084, 41390, 42605, 66224, 68168, 82780, 85210, 136336, 165560, 170420, 331120, 340840, 681680, 35268419, 70536838, 141073676, 176342095, 282147352, 352684190, 564294704, 705368380, 1410736760, 2821473520]

約数ペア:

[(1, 2821473520), (2, 1410736760), (4, 705368380), (5, 564294704), (8, 352684190), (10, 282147352), (16, 176342095), (20, 141073676), (40, 70536838), (80, 35268419), (4139, 681680), (8278, 340840), (8521, 331120), (16556, 170420), (17042, 165560), (20695, 136336), (33112, 85210), (34084, 82780), (41390, 68168), (42605, 66224)]