26428000

素因数分解:

$2^5\times 5^3\times {\mathrm{6607}}^1$

素因数の和:6632

約数の個数: 48

約数和(自身を含む): 64943424

約数和(自身を除く): 38515424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 6607, 13214, 26428, 33035, 52856, 66070, 105712, 132140, 165175, 211424, 264280, 330350, 528560, 660700, 825875, 1057120, 1321400, 1651750, 2642800, 3303500, 5285600, 6607000, 13214000, 26428000]

約数ペア:

[(1, 26428000), (2, 13214000), (4, 6607000), (5, 5285600), (8, 3303500), (10, 2642800), (16, 1651750), (20, 1321400), (25, 1057120), (32, 825875), (40, 660700), (50, 528560), (80, 330350), (100, 264280), (125, 211424), (160, 165175), (200, 132140), (250, 105712), (400, 66070), (500, 52856), (800, 33035), (1000, 26428), (2000, 13214), (4000, 6607)]