28476320

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4139}}^1$

素因数の和:4197

約数の個数: 48

約数和(自身を含む): 68856480

約数和(自身を除く): 40380160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 4139, 6880, 8278, 16556, 20695, 33112, 41390, 66224, 82780, 132448, 165560, 177977, 331120, 355954, 662240, 711908, 889885, 1423816, 1779770, 2847632, 3559540, 5695264, 7119080, 14238160, 28476320]

約数ペア:

[(1, 28476320), (2, 14238160), (4, 7119080), (5, 5695264), (8, 3559540), (10, 2847632), (16, 1779770), (20, 1423816), (32, 889885), (40, 711908), (43, 662240), (80, 355954), (86, 331120), (160, 177977), (172, 165560), (215, 132448), (344, 82780), (430, 66224), (688, 41390), (860, 33112), (1376, 20695), (1720, 16556), (3440, 8278), (4139, 6880)]