12551840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{1601}}^1$

素因数の和:1630

約数の個数: 72

約数和(自身を含む): 34516692

約数和(自身を除く): 21964852

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1601, 1960, 3202, 3920, 6404, 7840, 8005, 11207, 12808, 16010, 22414, 25616, 32020, 44828, 51232, 56035, 64040, 78449, 89656, 112070, 128080, 156898, 179312, 224140, 256160, 313796, 358624, 392245, 448280, 627592, 784490, 896560, 1255184, 1568980, 1793120, 2510368, 3137960, 6275920, 12551840]

約数ペア:

[(1, 12551840), (2, 6275920), (4, 3137960), (5, 2510368), (7, 1793120), (8, 1568980), (10, 1255184), (14, 896560), (16, 784490), (20, 627592), (28, 448280), (32, 392245), (35, 358624), (40, 313796), (49, 256160), (56, 224140), (70, 179312), (80, 156898), (98, 128080), (112, 112070), (140, 89656), (160, 78449), (196, 64040), (224, 56035), (245, 51232), (280, 44828), (392, 32020), (490, 25616), (560, 22414), (784, 16010), (980, 12808), (1120, 11207), (1568, 8005), (1601, 7840), (1960, 6404), (3202, 3920)]