16728880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29873}}^1$

素因数の和:29893

約数の個数: 40

約数和(自身を含む): 44452512

約数和(自身を除く): 27723632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 29873, 59746, 119492, 149365, 209111, 238984, 298730, 418222, 477968, 597460, 836444, 1045555, 1194920, 1672888, 2091110, 2389840, 3345776, 4182220, 8364440, 16728880]

約数ペア:

[(1, 16728880), (2, 8364440), (4, 4182220), (5, 3345776), (7, 2389840), (8, 2091110), (10, 1672888), (14, 1194920), (16, 1045555), (20, 836444), (28, 597460), (35, 477968), (40, 418222), (56, 298730), (70, 238984), (80, 209111), (112, 149365), (140, 119492), (280, 59746), (560, 29873)]