28019120

素因数分解:

$2^4\times 5^1\times {\mathrm{577}}^1\times {\mathrm{607}}^1$

素因数の和:1197

約数の個数: 40

約数和(自身を含む): 65364864

約数和(自身を除く): 37345744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 577, 607, 1154, 1214, 2308, 2428, 2885, 3035, 4616, 4856, 5770, 6070, 9232, 9712, 11540, 12140, 23080, 24280, 46160, 48560, 350239, 700478, 1400956, 1751195, 2801912, 3502390, 5603824, 7004780, 14009560, 28019120]

約数ペア:

[(1, 28019120), (2, 14009560), (4, 7004780), (5, 5603824), (8, 3502390), (10, 2801912), (16, 1751195), (20, 1400956), (40, 700478), (80, 350239), (577, 48560), (607, 46160), (1154, 24280), (1214, 23080), (2308, 12140), (2428, 11540), (2885, 9712), (3035, 9232), (4616, 6070), (4856, 5770)]