2806880

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 6776784

約数和(自身を除く): 3969904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 331, 424, 530, 662, 848, 1060, 1324, 1655, 1696, 2120, 2648, 3310, 4240, 5296, 6620, 8480, 10592, 13240, 17543, 26480, 35086, 52960, 70172, 87715, 140344, 175430, 280688, 350860, 561376, 701720, 1403440, 2806880]

約数ペア:

[(1, 2806880), (2, 1403440), (4, 701720), (5, 561376), (8, 350860), (10, 280688), (16, 175430), (20, 140344), (32, 87715), (40, 70172), (53, 52960), (80, 35086), (106, 26480), (160, 17543), (212, 13240), (265, 10592), (331, 8480), (424, 6620), (530, 5296), (662, 4240), (848, 3310), (1060, 2648), (1324, 2120), (1655, 1696)]