28056640

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2039}}^1$

素因数の和:2099

約数の個数: 56

約数和(自身を含む): 68397120

約数和(自身を除く): 40340480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2039, 2752, 3440, 4078, 6880, 8156, 10195, 13760, 16312, 20390, 32624, 40780, 65248, 81560, 87677, 130496, 163120, 175354, 326240, 350708, 438385, 652480, 701416, 876770, 1402832, 1753540, 2805664, 3507080, 5611328, 7014160, 14028320, 28056640]

約数ペア:

[(1, 28056640), (2, 14028320), (4, 7014160), (5, 5611328), (8, 3507080), (10, 2805664), (16, 1753540), (20, 1402832), (32, 876770), (40, 701416), (43, 652480), (64, 438385), (80, 350708), (86, 326240), (160, 175354), (172, 163120), (215, 130496), (320, 87677), (344, 81560), (430, 65248), (688, 40780), (860, 32624), (1376, 20390), (1720, 16312), (2039, 13760), (2752, 10195), (3440, 8156), (4078, 6880)]