28239440

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3299}}^1$

素因数の和:3419

約数の個数: 40

約数和(自身を含む): 66290400

約数和(自身を除く): 38050960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 3299, 4280, 6598, 8560, 13196, 16495, 26392, 32990, 52784, 65980, 131960, 263920, 352993, 705986, 1411972, 1764965, 2823944, 3529930, 5647888, 7059860, 14119720, 28239440]

約数ペア:

[(1, 28239440), (2, 14119720), (4, 7059860), (5, 5647888), (8, 3529930), (10, 2823944), (16, 1764965), (20, 1411972), (40, 705986), (80, 352993), (107, 263920), (214, 131960), (428, 65980), (535, 52784), (856, 32990), (1070, 26392), (1712, 16495), (2140, 13196), (3299, 8560), (4280, 6598)]